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A Modern, Integrative Approach to Thyroid Optimization

A Modern, Integrative Approach to Thyroid Optimization

A Modern, Integrative Approach to Thyroid Optimization

Abstract

For decades, the standard approach to treating hypothyroidism has centered on a single lab value—Thyroid-Stimulating Hormone (TSH)—and a single medication, synthetic T4 (levothyroxine). However, an increasing body of evidence and extensive clinical observations indicate that this approach is fundamentally flawed for a significant proportion of patients. Many individuals on T4-only therapy continue to suffer from debilitating hypothyroid symptoms like fatigue, weight gain, hair loss, and depression, despite their TSH levels appearing “normal.” This educational post will explore the intricate physiology of thyroid hormone, explaining why T4 is a prohormone and why active T3 is the key to metabolic health. We will deconstruct the limitations of TSH testing, explore the critical process of T4-to-T3 conversion, and introduce the problematic role of Reverse T3. Drawing from the latest evidence-based research and my own clinical experience, I will outline a more comprehensive, patient-centered approach to diagnosing and managing thyroid dysfunction. We will discuss the vital importance of Free T3 (FT3), the shortcomings of standard lab ranges, and the clinical benefits of combination therapy, including Natural Desiccated Thyroid (NDT). Furthermore, I will explain the critical, yet often overlooked, role of iodine and how integrative chiropractic care forms a foundational part of treatment by optimizing nervous system function and supporting the body’s innate ability to heal.


Rethinking Thyroid Care: Moving Beyond Outdated Protocols

As a practitioner with credentials spanning chiropractic, advanced practice nursing, and functional medicine (DC, APRN, FNP-BC, CFMP, IFMCP, ATN, CCST), I have dedicated my career to challenging long-held conventions in healthcare to identify what truly works for patients. Today, I want to guide you on a journey into the world of the thyroid, and in doing so, I may need to unravel some of what you’ve come to understand from conventional medical training. My goal is not to create a new, complicated system but to return to a more fundamental, physiological truth. My goal is to assist individuals in returning to a lifestyle that aligns with the natural and optimal design of our bodies.

For over a decade, I’ve focused on this physiological approach, and the feedback from patients at my clinic has been overwhelmingly positive. They feel better, their symptoms resolve, and their lives are transformed. This isn’t based on a fad; it’s grounded in pure physiology. When we appreciate and work with the body’s intricate systems instead of against them, we see profound clinical success. This is particularly true when it comes to the thyroid.

Thyroid Hormone: Your Body’s Metabolic Engine

The thyroid hormone is the master regulator of your metabolism. It dictates the speed of nearly every cellular process in your body. Think of it as the engine’s pace car. It controls:

  • Energy Production: Your overall rate of energy expenditure.
  • Temperature Regulation: Why you might feel cold when others are comfortable.
  • Growth Rates: How fast your hair and nails grow.
  • Gastrointestinal Motility: The speed of your digestive system influences constipation or diarrhea.
  • Cellular Health: Research has even linked low levels of the active thyroid hormone T3 to an increased risk of certain cancers.

The Synthroid Paradox: Normal Labs, Persistent Symptoms

The most widely prescribed thyroid medication in history is levothyroxine, with Synthroid being the most recognizable brand name. Yet, in my clinical practice, I see a daily parade of patients who are taking it and are still miserable. I recently saw a patient who had been on a stable dose of Synthroid for years. Her endocrinologist told her that her labs were perfect, with a TSH of 1.5. Yet, her chart told a different story.

  • Chief Complaint: Fatigue. She was exhausted.
  • Clinical Signs: She was wearing a thick jacket in my office… in the middle of a Texas July.
  • Other Symptoms: She was constipated, and her hair was falling out in clumps.

Her labs may have looked “normal,” but she was a walking textbook of hypothyroid symptoms. If her thyroid replacement were truly working, she would not have these symptoms. Clearly, something was not right.

This scenario is the direct result of a historical confluence of events. Synthroid was approved around 1960 based on two simple criteria: it normalized the TSH, and it didn’t cause immediate harm. It was never studied for its ability to resolve the clinical symptoms of hypothyroidism. Around the same time, the ultra-sensitive TSH assay was developed and quickly became the “gold standard” lab test.

Medical schools and residency programs immediately adopted this new paradigm: Diagnose with TSH, treat with Synthroid, and monitor with TSH. This simplistic loop became dogma. The patient’s well-being became secondary to achieving a “normal” lab number. This is a fundamental flaw in modern endocrinology, and it’s leaving millions of patients to suffer unnecessarily.

Redefining Hypothyroidism: A Deeper Look at T3 and T4

To fix this problem, we must first redefine it. The conventional definition of hypothyroidism is based on a lab test. A functional and more accurate definition focuses on the body’s physiological state.

  • Type 1 Hypothyroidism: This is a production problem. The thyroid gland itself is not producing enough hormone. This can be due to surgical removal, radioactive iodine ablation, autoimmune destruction (Hashimoto’s disease), or glandular burnout from chronic stress.
  • Type 2 Hypothyroidism: This is a conversion problem. The body is unable to effectively convert the inactive storage hormone (T4) into the active, usable hormone (T3). This is where the standard T4-only treatment model fails.
  • Type 3 Hypothyroidism: This is a receptor issue in which cellular receptors become resistant to thyroid hormone, often due to inflammation or illness.

The thyroid gland produces a hormone called thyroxine (T4), which contains four iodine atoms. To become metabolically active, it must lose one iodine atom to become triiodothyronine (T3). T3 has five times the affinity for the thyroid receptor as T4. This means T3 is the hormone that does the heavy lifting. T4 is simply the raw material we store to make T3 whenever we need it. You live off your T3.

The Critical Flaw of TSH Testing and Deiodinase Dysfunction

The TSH test was designed as a screening test for an asymptomatic population to see if they are at risk for a thyroid condition. The inventor of the assay himself stated it was never intended to be used to monitor or guide therapy for a treated patient. So why is it the cornerstone of modern treatment? Because it makes the lab reports look good, providing a false sense of security for practitioners while patients remain unwell.

A pivotal study published by Escobar-Morreale et al. (1997) shed light on this discrepancy. Researchers discovered that the concentration of T3 varied significantly in different tissues throughout the body—the liver, kidneys, and muscles. But there was one place where T3 levels remained stable, even when they were low everywhere else: the brain.

This is because the brain and pituitary gland exhibit a unique, highly concentrated expression of the enzyme deiodinase type 2 (D2). This enzyme is responsible for converting T4 into the active T3. The rest of your body—the periphery—also uses D2, but a host of common stressors can downregulate its activity there while leaving it untouched in the pituitary.

What does this mean? It means your pituitary gland—the very organ that produces TSH—lives in a “T3 bubble,” isolated from the reality of what’s happening in the rest of your body. Your muscles, liver, and fat cells can be starving for T3, but your brain’s T3 level can remain perfectly normal. Consequently, your pituitary sees no problem and keeps the TSH level low and “normal.” Your pituitary gland has no idea what the T3 level is in your big toe, and TSH cannot tell us. This is why a patient can have a “perfect” TSH and still feel terrible.

The Roadblock: Reverse T3 and Poor Conversion

The body has a protective buffer system. Under conditions of stress, inflammation, illness, or nutrient deficiency, the body can divert T4 down a different path. Instead of converting to active T3, it uses a different enzyme, deiodinase type 3 (D3), to convert T4 into an inactive form called Reverse T3 (rT3).

Reverse T3 has the same shape as active T3, allowing it to fit into the thyroid receptor. However, it is a dud. It doesn’t turn the engine on. Instead, it sits there, blocking active T3 from getting to the receptor.

When you give a patient a large dose of T4, especially if they have underlying inflammation or stress, their body often perceives it as a threat. To protect itself from becoming overstimulated, it down-regulates D2 (making less active T3) and up-regulates D3 (making more inactive Reverse T3). The result? The patient’s TSH goes down, their labs look “good,” but their symptoms get worse because their cells are being flooded with an inactive blocker hormone.

A landmark study from Israel beautifully outlines the myriad factors that impair the conversion of T4 to T3:

  • Psychological and Physical Stress: High cortisol is a potent inhibitor.
  • Insulin Resistance and Diabetes: Poor blood sugar control disrupts thyroid function.
  • Inflammation: Cytokines from injury, infection, or chronic disease impair deiodinase enzymes.
  • Autoimmune Disease: Conditions such as Hashimoto’s cause chronic inflammation.
  • Nutrient Deficiencies: Deficiencies in key minerals like iron (ferritin) and selenium are critical cofactors for deiodinase enzymes.
  • Aging: The natural process of aging reduces conversion efficiency, as noted by Duntas & Biondi (2011).

Considering this list, it’s clear that the vast majority of people are not converting T4 to T3 optimally, creating an epidemic of subclinical, functional hypothyroidism.

The Heart of the Matter: Low T3 Syndrome and Cardiovascular Risk

The medical field that has most urgently recognized the danger of this condition is cardiology. An overwhelming body of research now links Low T3 Syndrome directly to poor outcomes in cardiovascular disease. A landmark study by Iervasi et al. (2003) found that in patients with heart disease, a low T3 level was a strong prognostic predictor of death, whereas TSH had no predictive value.

Why is this the case? The myocardium, or heart muscle, is exquisitely sensitive to T3. It relies on adequate T3 for proper contractility, rhythm, and overall function. When serum T3 is low, the heart is essentially starved of its primary metabolic fuel. Historically, how did patients with profound, untreated hypothyroidism die? Almost universally from cardiovascular events. A healthy Free T3 level is a critical component of cardiovascular protection. Patients in the lower part of the lab reference range can have a 33% to 66% higher risk of all-cause and cardiovascular mortality compared to those in the upper range (Pingitore, Iervasi, & Chopra, 2008).

The Problem with “Normal”: Redefining Lab Reference Ranges

This brings me to a fundamental problem in conventional medicine: our reliance on statistically “normal” reference ranges. Let’s say the lab reference range for Free T3 is 2.2 to 4.2 pg/mL. A patient comes to me with a level of 2.3 pg/mL. They have been told their thyroid is “normal.” Yet, they are exhausted, their hair is falling out, and they can’t lose weight.

What does being in the 10th percentile of the reference range truly mean? It means 90% of the population has more of this vital, energy-giving hormone than you do. Does that sound optimal? Of course not. My approach is to move patients from the bottom of the range to a more optimal position, typically aiming for the top quartile (75th percentile and above). I am not treating a lab number; I am treating a patient.

A Modern, Evidence-Based Treatment Protocol

So, how do we put all this knowledge into practice? Here is the approach I use, which is grounded in the latest research and my clinical experience.

1. Comprehensive Lab Testing

A TSH-only screen is inadequate. I order a full panel that includes TSH, Free T4, Free T3, and Thyroid Antibodies (TPO and TgAb). If a patient is on T4-only medication and still has symptoms, I always order a Reverse T3 (RT3) test. This panel gives us the complete picture.

2. Choosing the Right Medication

The evidence and patient satisfaction surveys point to a clear conclusion: T4-only therapy is not effective for a significant portion of the population. A 2018 online survey of over 12,000 thyroid patients found that those taking Natural Desiccated Thyroid (NDT), which contains both T4 and T3 (such as NP Thyroid or Armor Thyroid), reported significantly higher satisfaction with their treatment (Peterson et al., 2018).

NDT is derived from porcine thyroid glands and contains T4 and T3 in a ratio very similar to the human thyroid. It provides the body with the active hormone it needs directly, bypassing potential conversion issues. When transitioning a patient from a synthetic T4 medication, I use a careful overlap protocol to allow the body to acclimate smoothly.

3. Standardizing Lab Draws and Dosing

T3 has a very short half-life of about 18-24 hours. To obtain meaningful and consistent data, testing must be standardized. I instruct all my patients to have their blood drawn five to six hours after taking their morning dose. This provides us with a consistent point on the absorption curve.

For my patients with Type 1 hypothyroidism—those without a functioning thyroid—a significant breakthrough has been the introduction of a second, afternoon dose of NDT. Because of T3’s short half-life, a single morning dose often leads to a “crash” by 3 or 4 p.m. By splitting their total daily dose, we maintain a more stable level of active T3, transforming their energy and quality of life.

The Critical, Overlooked Role of Iodine

I cannot overstate the importance of iodine for thyroid health and overall well-being. The Recommended Dietary Allowance (RDA) in the U.S. is a mere 150 micrograms, an amount established simply to prevent goiter, not to promote optimal health. In stark contrast, the average daily intake of iodine in Japan is over 13 milligrams (13,000 micrograms), primarily from seaweed. The correlation with cancer rates is alarming; Japan has significantly lower rates of breast and prostate cancer. As Dr. David Brownstein explains in his book, Iodine: Why You Need It, Why You Can’t Live Without It, this is likely not a coincidence.

Iodine is essential not just for the thyroid but for breast tissue, the prostate, ovaries, and every cell in the body. When you begin supplementing an iodine-deficient person, TSH will temporarily rise. This is the body’s intelligent response to produce more sodium-iodide symporters (NIS)—the gateways that pull iodine into the cells. An uninformed practitioner might see this TSH spike and wrongly conclude that the iodine is harmful. This is why I tell my patients we will not check a TSH level for at least nine months after starting iodine therapy. Free T3 and the patient’s symptoms are our true guides.

Integrative Chiropractic Care: The Neurological Connection

As a Doctor of Chiropractic (DC), I view the body through the lens of the nervous system as the master controller of all other systems, including the endocrine system. The connection among the spine, the nervous system, and thyroid function is a critical yet often-overlooked piece of the puzzle.

The thyroid gland receives its nerve supply from the cervical spine. Misalignments, or vertebral subluxations, in this area can interfere with the nerve signals traveling between the brain and the thyroid. This can disrupt the delicate feedback loop of the hypothalamic-pituitary-thyroid (HPT) axis.

How Chiropractic Fits In:

  • Restoring Nerve Function: Through specific, gentle chiropractic adjustments, we can correct subluxations in the cervical spine. This restores proper nerve flow, ensuring the brain and thyroid can communicate effectively. In my clinic, I have observed that patients receiving regular chiropractic care often see improvements in their thyroid function.
  • Reducing Systemic Stress: The chiropractic adjustment has a powerful effect on the autonomic nervous system, helping to shift the body from a “fight-or-flight” (sympathetic) state to a “rest-and-digest” (parasympathetic) state. Chronic stress elevates cortisol levels, which inhibit the conversion of T4 to T3. By modulating the stress response through chiropractic care, we create a more favorable hormonal environment for optimal thyroid function.
  • Holistic Support: Integrative chiropractic care encompasses nutritional counseling, lifestyle recommendations, and stress management techniques, all of which are foundational to supporting endocrine health.

By integrating chiropractic adjustments with functional medicine protocols, we address both the biochemical and neurological aspects of thyroid dysfunction, providing a truly comprehensive and powerful path to healing. Ultimately, our goal is not just to fix a lab value. It is to listen to our patients, to understand the deep physiological imbalances at play, and to use every evidence-based tool at our disposal to restore health and change lives.


References

Brownstein, D. (2014). Iodine: Why you need it, why you can’t live without it (5th ed.). Medical Alternatives Press.

Duntas, L. H., & Biondi, B. (2011). The aging thyroid: a challenge for the clinician. Nature Reviews Endocrinology, 7(9), 558–560. https://www.nature.com/articles/nrendo.2011.83

Escobar-Morreale, H. F., Obregón, M. J., Escobar del Rey, F., & Morreale de Escobar, G. (1997). Tissue-specific patterns of changes in 3,5,3′-triiodothyronine concentrations in hypothyroid rats. Endocrinology, 138(6), 2494-2503. https://doi.org/10.1210/endo.138.6.5186

Guo, T., Wang, Y., Zhang, Y., Ma, J., & Wang, F. (2022). Lower free triiodothyronine levels are associated with major depressive disorder and its symptom severity. Psychoneuroendocrinology, 146, 105952. https://doi.org/10.1016/j.psyneuen.2022.105952

Iervasi, G., Pingitore, A., Landi, P., Raciti, M., Ripoli, A., Scarlattini, M., L’Abbate, A., & Donato, L. (2003). Low-T3 syndrome: a strong prognostic predictor of death in patients with heart disease. Circulation, 107(5), 708–713. https://www.ahajournals.org/doi/10.1161/01.cir.0000048039.63811.23

Peeters, R. P., Wouters, P. J., van Toor, H., Kaptein, E., Visser, T. J., & Van den Berghe, G. (2003). Serum 3,3′,5′-triiodothyronine (rT3) and 3,5,3′-triiodothyronine/rT3 are prognostic markers in critically ill patients and are associated with postmortem tissue deiodinase activities. The Journal of Clinical Endocrinology & Metabolism, 88(10), 4559–4565. https://academic.oup.com/jcem/article/88/10/4559/2845213

Peterson, S. J., Cappola, A. R., Castro, M. R., Dayan, C. M., Farwell, A. P., Hescox, M., & … Bianco, A. C. (2018). An online survey of hypothyroid patients demonstrates prominent dissatisfaction. Thyroid, 28(6), 707–721. https://doi.org/10.1089/thy.2017.0681

Pingitore, A., Iervasi, G., & Chopra, I. J. (2008). The role of thyroid hormone in the heart. Journal of Clinical Endocrinology & Metabolism, 93(6), 1957–1964.

Shakir, M. K., Brooks, B. A., & Crooks, L. A. (2007). The significance of a suppressed TSH in hypothyroid patients on levothyroxine. Endocrine Practice, 13(1), 16-20. https://doi.org/10.4158/EP.13.1.16

Starr, M. (2005). Hypothyroidism Type 2: The epidemic. Mark Starr Trust.

Woeber, K. A. (2002). Levothyroxine therapy and serum free thyroxine and free triiodothyronine concentrations. Journal of Endocrinology and Metabolism, 87(9), 3986-3990. https://doi.org/10.1210/jc.2002-020580


A Smarter Path to Hormonal Health and Vitality

A Smarter Path to Hormonal Health and Vitality

A Smarter Path to Hormonal Health and Vitality
Health: doctor visit with patient, medical exam, hospital visit, and conversation about bioidentical hormone replacement therapy.

Abstract

Welcome. As a clinician with a diverse background in chiropractic, advanced practice nursing, and functional medicine, I am deeply committed to an integrative, evidence-based approach to health. This educational post will guide you through the intricate and often misunderstood world of hormones, debunking long-held myths and presenting a modern, holistic paradigm for wellness. We will critically re-examine the flawed Women’s Health Initiative (WHI) study, exposing how the use of synthetic hormones and improper delivery systems created a legacy of fear. We will explore the profound differences between bioidentical progesterone and synthetic progestins and present compelling data that vindicates estrogen, revealing its protective role against breast cancer. This journey will also dismantle myths surrounding testosterone, clarifying its crucial role in both men and women for cognitive function, mental health, cardiovascular wellness, and pain management. We will explore the physiological underpinnings of bone health, contrasting outdated bisphosphonate therapies with a superior, hormone-centric approach. Throughout this discussion, I will integrate the principles of integrative chiropractic care, demonstrating how restoring structural and neurological integrity is foundational to achieving optimal hormonal balance and preventing the chronic diseases of aging. My goal is to empower you with knowledge, moving from fear and misinformation to clarity and confidence in your health decisions.


Unraveling the Women’s Health Initiative: A Critical Re-Examination

Let’s begin by asking a fundamental question: Why are you here, reading this today? Perhaps it’s because the conventional health approaches you’ve encountered haven’t provided the answers or the well-being you’re seeking. This is a common story in my practice. People feel unwell, unheard, and confused by conflicting information, especially when it comes to hormones.

My journey and yours often start with a desire to understand the “why.” This is particularly true when we look at the history of hormone replacement therapy (HRT). Let’s travel back to the pivotal Women’s Health Initiative (WHI) study, a trial whose initial results, reported in 2002, radically altered our perception of hormones and left a legacy of fear that persists to this day.

But what if the study’s foundation was flawed from the start? Let’s consider a hypothetical. What if the WHI had used 17-beta estradiol delivered via a non-oral route, like a patch, instead of oral conjugated equine estrogens (Premarin)? And what if they had used bioidentical progesterone instead of a synthetic progestin like medroxyprogesterone acetate (Provera)?

The Critical Importance of Delivery Systems and Molecular Structure

To understand why this distinction is so crucial, we must look at our physiology. When you take a hormone in an oral pill form, it undergoes first-pass metabolism in the liver.

  • Portal Circulation: Blood from your intestines goes directly to the liver through the portal vein.
  • Liver Metabolism: The liver works hard to process this concentrated dose of the oral hormone. In response, it produces other substances, including an increased amount of clotting factors.
  • Increased Clotting Risk: This is precisely why oral estrogen, found in medications like birth control pills and Premarin, is associated with an elevated risk of blood clots.

One of the most important benefits of estrogen is its cardioprotective effect. However, administering it orally simultaneously increases clotting factors, effectively canceling that benefit, since most heart attacks and strokes involve clot formation. The WHI concluded that estrogen didn’t help, but the reality is that they were using the wrong molecule (conjugated equine estrogens) and the wrong delivery system (oral). Had the study used 17-beta estradiol—the exact molecule our bodies are designed to use—and administered it transdermally, bypassing intensive liver metabolism, the outcomes would have been dramatically different.

Now, let’s look at progesterone. Has natural, bioidentical progesterone ever been shown to increase the risk of breast cancer in any credible study? The answer is a resounding no. The WHI used a synthetic progestin, Provera. We wouldn’t be having this conversation today if we had used the correct hormone molecules and delivery systems. The standard of care would be clear: as soon as a woman enters menopause, she should begin estrogen and progesterone therapy for the long-term health of her heart, bones, and brain.

The Lasting Impact and Ultimate Vindication of Estrogen

I was in private practice when the 2002 WHI results were published in the Journal of the American Medical Association (JAMA) and splashed across the cover of TIME magazine. Fear sells. The report, titled “The Truth About Hormones,” scared millions of women. I had to hire an additional staff member just to field panicked calls from patients wanting to stop their hormones.

In my clinical practice at our Chiropractic & Functional Medicine Clinic, I see the downstream effects every day. How many women today are suffering from cognitive decline, osteoporosis, and heart disease that could have been mitigated? Depriving an entire generation of women of protective estrogen has had devastating consequences.

The story gets even more compelling over time. Follow-up reports on the same WHI cohort have been nothing short of vindicating for estrogen.

  • An 18-year follow-up published in JAMA stated, “Estrogen plus progestin was not associated with increased all-cause, cardiovascular, or cancer mortality…” (Manson et al., 2017). Essentially, the researchers were saying, “Never mind.”
  • A 2020 study, also in JAMA, delivered a bombshell. Women in the estrogen-only arm for about seven years had a lower incidence of breast cancer and were less likely to die from breast cancer over their lifetimes (Chlebowski et al., 2020).

Let that sink in. Estrogen is the only medicine in history shown in a prospective, randomized, placebo-controlled, long-term trial to reduce the chance of both getting breast cancer and dying from it. And this result was with Premarin, a “dirty” estrogen. Imagine the protective power of bioidentical 17-beta estradiol.

Understanding Progesterone vs. Progestins: A Critical Distinction

It is critically important to distinguish between progesterone and progestins. They are not the same, and this confusion is at the heart of much of the misinformation surrounding HRT.

  • Progesterone (P4): This is the natural, bioidentical hormone our bodies produce. It has a specific, beneficial molecular structure.
  • Progestins: These are synthetic compounds designed to mimic some of the effects of progesterone. Examples include medroxyprogesterone acetate and norethindrone acetate. They have different molecular structures and vastly different metabolic effects.

When I see a new study claiming “hormone replacement therapy” causes a health issue, the first thing I do is look at the abstract to identify the molecules used. Invariably, the culprit is a synthetic progestin.

Progesterone’s role is often tragically minimized, especially in women who have had a hysterectomy. The conventional thinking, “No uterus, no need for progesterone,” is a fundamentally flawed and harmful perspective. It ignores the progesterone receptors in the brain, bones, and cardiovascular system. In my clinical practice, every menopausal patient is on progesterone at some point. If a woman presents with insomnia, I frequently initiate treatment with progesterone, as it is unequivocally the most effective remedy for insomnia in menopausal women.

A crucial point of caution: progesterone cream is not sufficient for uterine protection. Progesterone is a large molecule that does not absorb well through the skin to achieve adequate systemic blood levels. If a uterus is present, progesterone must be delivered systemically—orally, sublingually, or as a vaginal suppository—to ensure the uterine lining is protected from the proliferative effects of unopposed estrogen (Hargrove et al., 1989).

The Menstrual Cycle: A Symphony of Hormones

To appreciate the role of hormones, we must understand their natural rhythm. The menstrual cycle is a beautiful, synergistic dance, not a battle for dominance.

  1. Follicular Phase (First Half): As a dominant follicle grows, it produces estrogen, which causes the uterine lining (endometrium) to thicken.
  2. Luteal Phase (Second Half): After ovulation, the corpus luteum produces progesterone. Progesterone’s role is to stabilize the endometrium, halting estrogen-driven proliferation and preparing the tissue for implantation.
  3. Menstruation: If implantation does not occur, the drop in progesterone triggers the shedding of the uterine lining.

It’s a mistake to say that progesterone “opposes” estrogen. They work synergistically as a team. Studying a hormone in isolation will never provide a complete understanding of its effects.

Testosterone: A Human Hormone Essential for All

One of the most persistent myths is that testosterone is exclusively a male hormone. Let’s set the record straight: testosterone is a human hormone.

  • A woman produces more testosterone over her lifetime than she does estrogen.
  • The androgen receptor is located on the X chromosome, which every individual possesses.
  • Ignoring testosterone deficiency in women, especially after a hysterectomy with ovary removal, is a grave oversight. We are taking out three essential hormones (estrogen, progesterone, and testosterone) and often replacing only one poorly.

In my practice, optimizing testosterone is crucial. It’s a key factor in managing the number one symptom of menopause: pain. Joint, bone, and muscle pain are the body’s first signals of a critical hormonal deficit.

Debunking the Myth: Testosterone and Prostate Cancer

For decades, physicians have feared that testosterone therapy is like “adding fuel to the fire” of prostate cancer. Dr. Abraham Morgentaler of Harvard traced this myth to a single, 100-year-old study of only two men. His career has been dedicated to dismantling this myth with rigorous science.

His research showed that low testosterone, not replacement therapy, is an independent risk factor for developing prostate cancer. This led to the Prostate Saturation Model. Dr. Morgentaler found that prostate androgen receptors become fully saturated at a testosterone level of around 200 ng/dL. This means that for a man with a baseline level of 350 ng/dL, optimizing his level to 950 ng/dL adds zero additional testosterone to his prostate. The receptors are already full.

The current consensus is that if a man has been successfully treated for prostate cancer and shows no evidence of recurrence, testosterone therapy can and should be initiated immediately to restore his quality of life.

Beyond “Normal”: The Power of Hormone Optimization

One of the most profound shifts in modern functional medicine is the move from the “normal range” to the “optimal range.” A lab’s reference range is just a statistical average; it says nothing about what is healthy.

A study on dementia found that men with testosterone levels in the lowest quintile had an 80% higher risk of developing dementia than men in the highest quintile (Yeap et al., 2021). A man with a “low normal” level of 325 ng/dL has a significantly higher risk than a man at an optimal 850 ng/dL. There is only suboptimal and optimal.

My goal is to restore a patient’s hormone levels to the upper quartile of the range for a young, healthy adult—a level that is protective against disease and promotes vitality.

The Receptor Model of Cancer and the Protective Role of Hormones

To understand why old fears were misplaced, we must look at the cellular level. The Receptor Model for Cancer explains that hormones exert their effects by binding to specific receptors. The problem arises with synthetic molecules like progestins, which can block protective receptor pathways, effectively removing the brakes on cell growth.

This is what happened in the WHI. The synthetic progestin blocked protective pathways, leading to an observed increase in breast cancer. It wasn’t the estrogen; it was the progestin.

In stark contrast, compelling evidence shows that testosterone has anti-inflammatory and anti-proliferative (anti-cancer) effects in breast tissue. Dr. Rebecca Glaser, a breast cancer surgeon, has published extensively on this.

  • A massive Nurses’ Health Study followed nearly 30,000 nurses for 24 years. It found that women who had their ovaries removed (inducing surgical menopause) had a significantly higher risk of all-cause mortality, heart disease, and lung cancer compared to those who conserved their ovaries (Parker et al., 2013). Our natural hormones provide powerful, lifelong protection.

Rethinking Osteoporosis: Hormones for Bone Health

The conventional approach to osteoporosis, using drugs like bisphosphonates, is deeply flawed. These drugs work by blocking osteoclasts, the cells that break down old bone. This is like paving over a road full of potholes without clearing out the crumbling asphalt. You accumulate old, weak, brittle bone that may look denser on a scan but is not structurally sound.

The true key is promoting healthy bone remodeling, and hormones are the master regulators. A landmark study showed that patients on hormone pellet therapy experienced an average 8.3% increase in bone density per year. This vastly outperforms bisphosphonates (1-2% annual increase). By restoring hormonal levels of estrogen and testosterone, we effectively turn back the clock on skeletal health.

Testosterone and the Heart: A Cardiologist’s Best Friend

One of the most dangerous myths is that testosterone is bad for the heart. This scare originated from a thoroughly debunked 2016 VA study that used a flawed high-risk population and manipulated data to reverse its own raw findings.

The scientific reality is that low testosterone is an independent risk factor for cardiovascular disease. Optimal testosterone is a cardiologist’s best friend because it:

  • Improves endothelial function, keeping arteries smooth.
  • Increases arterial elasticity, helping regulate blood pressure.
  • Enhances insulin sensitivity, a primary driver of heart disease.
  • Exerts anti-inflammatory effects, quelling the inflammation that underlies heart attacks.

Integrative Chiropractic Care: Restoring Foundational Health

This is where the principles of integrative chiropractic care and functional medicine become so vital. The body is an interconnected system where structure governs function. Hormonal balance cannot be fully achieved if the underlying neurological and structural systems are compromised.

  • Nervous System Regulation: The endocrine system is under the direct control of the nervous system. Chiropractic adjustments correct spinal misalignments (subluxations), restoring proper nerve flow between the brain and the endocrine glands. This optimizes the function of the hypothalamic-pituitary-adrenal-ovarian (HPAO) axis, the master communication network governing hormone production.
  • Stress Reduction: Adjustments can shift the autonomic nervous system from a dominant “fight-or-flight” (sympathetic) state to a more relaxed “rest-and-digest” (parasympathetic) state. This is crucial because chronic stress elevates cortisol, which can disrupt the entire endocrine system and steal the building blocks for sex hormone production.
  • Holistic Assessment: As a Doctor of Chiropractic, I have a comprehensive understanding of the situation. Low back pain may be connected to fatigue, low mood, systemic inflammation, and hormonal imbalance. This integrative perspective allows me to educate patients on the connections between their spine, nervous system, and hormonal health.

By combining evidence-based hormone optimization with the foundational principles of chiropractic care, we address the root cause of dysfunction. We don’t just replace a missing hormone; we restore the body’s innate intelligence and create a synergistic effect for true, resilient health. This is the future of healthcare—a proactive, personalized, and integrative approach that empowers you to live a longer, healthier, and more vibrant life.


References

Chlebowski, R. T., Anderson, G. L., Aragaki, A. K., et al. (2020). Association of Menopausal Hormone Therapy With Breast Cancer Incidence and Mortality During Long-term Follow-up of the Women’s Health Initiative Randomized Clinical Trials. JAMA, 324(4), 369–380.

Hargrove, J. T., Maxson, W. S., Wentz, A. C., & Burnett, L. S. (1989). Menopausal hormone replacement therapy with continuous daily oral micronized estradiol and progesterone. Obstetrics and Gynecology, 73(4), 606–612.

Manson, J. E., Aragaki, A. K., Rossouw, J. E., et al. (2017). Menopausal Hormone Therapy and Long-term All-Cause and Cause-Specific Mortality: The Women’s Health Initiative Randomized Trials. JAMA, 318(10), 927–938.

Parker, W. H., Feskanich, D., Broder, M. S., Chang, E., Shoupe, D., Farquhar, C. M., Berek, J. S., & Manson, J. E. (2013). Long-term mortality associated with oophorectomy compared with ovarian conservation in the nurses’ health study. Obstetrics and Gynecology, 121(4), 709–716.

Yeap, B. B., Flicker, L., Xiao, J., Norman, P. E., Hankey, G. J., Almeida, O. P., & Almeida, O. (2021). Associations of sex hormones with incident dementia and cognitive decline in older men: The Health in Men Study. The Journal of Clinical Endocrinology & Metabolism, 106(4), 1042-1054.

Sex Hormone Optimization for Total Body Health

Sex Hormone Optimization for Total Body Health

Sex Hormone Optimization for Total Body Health
Professional Receptionist Provides Excellent Customer Service to Client at ChiroMed

Abstract

Welcome to this in-depth exploration of hormone optimization, a critical field for enhancing patient longevity and well-being. My name is Dr. Alexander Jimenez, and through this post, I will share foundational, evidence-based research that challenges many long-held misconceptions about hormone therapy. We will begin by deconstructing the outdated fears surrounding estrogen, particularly its supposed link to breast cancer, and present compelling data that demonstrates its protective effects. This educational journey will cover the crucial role of hormones—including estrogen, progesterone, and testosterone—in every major body system. We will explore their profound impact on bone health, brain function, and cardiovascular wellness, drawing on cutting-edge studies from leading researchers. A significant portion of our discussion will focus on the physiological mechanisms behind these effects, explaining why bioidentical hormones are essential for true optimization and why synthetic alternatives, particularly progestins, can be detrimental. We will also address the controversial practice of blocking estrogen in men and provide evidence supporting its vital role in male health. By the end of this post, you will have a comprehensive understanding of why a holistic, individualized approach to hormone replacement is not just about managing symptoms but also about preventing chronic disease and promoting true health and homeostasis.


A New Paradigm in Healthcare: Beyond Symptom Management

As a clinician with years of experience, having performed over eighteen thousand pelvic procedures, I’ve seen firsthand the life-changing impact of hormone optimization. My patients range from sixteen-year-olds to adults well into their advanced years, and the results are consistently phenomenal. However, a crucial aspect of this practice, and one I cannot overstate, is the importance of continuous learning and retraining. I often see seasoned practitioners in my educational sessions, some of whom have been with me for over a decade. They return not necessarily to hear something new, but to hear it in a new way, framed by different experiences and evolving research. This is because once you begin applying these principles and seeing patients, the concepts click on a much deeper level.

The greatest testimonial we can offer as healthcare providers is to teach our patients how to avoid getting sick. Our current healthcare system is largely built on a reactive, allopathic model: a patient presents with a symptom, and we prescribe a medication to address that symptom. This weekend, I want to encourage a paradigm shift. Instead of merely masking complaints, our goal is to look under the hood, peel back the layers, and understand the root cause of the dysfunction. Disease is not a normal state of being. Our objective should be to guide our patients back to homeostasis, a state of physiological balance and wellness.

Re-Examining Estrogen: From Misconception to Essential Molecule

Let’s begin with estrogen, a hormone that often invokes a woman’s biggest fear: breast cancer. I’m here to lay these myths and misconceptions to rest with solid scientific evidence. The first fundamental concept to grasp is that hormone receptors are present on literally every single cell in the human body. Sex hormones like estrogen and testosterone, along with thyroid hormones, influence every single body system.

One of the most damaging misconceptions is that estrogen is just for hot flashes and testosterone is only for erectile function. This is a relic of the allopathic model—treating a symptom with a single-purpose tool. I want to shift your perspective entirely. Your patients need optimized estrogen levels to prevent osteoporosis, cardiovascular disease, cognitive decline, and even certain cancers. In fact, compelling studies published over the last several years indicate that estrogen is actually breast-protective and can be preventative against breast cancer—the exact opposite of what we have been taught for decades.

Understanding Hormone Receptors and Their Function

Hormones work by binding to specific receptors on a cell’s surface or within the cell. Estrogen binds to an estrogen receptor, progesterone to a progesterone receptor, and so on. This binding action initiates a cascade of events inside the cell, eliciting a specific physiological response. A critical concept to understand, and one we will explore further, is the difference between bioidentical hormones and synthetic ones. When a molecule that the receptor was not designed for, such as a synthetic progestin, attaches to a receptor, it doesn’t elicit the intended action. Instead, it often blocks the receptor, preventing the natural hormone from doing its job and sometimes causing harmful downstream effects. Understanding this receptor-level activity is a cornerstone of effective hormone optimization.

The Widespread Benefits of Estrogen Optimization

Estrogen’s role extends far beyond managing menopausal symptoms. Its influence is systemic and vital for long-term health.

  • Metabolic and Anti-Inflammatory Effects: Estrogen is a powerful metabolic steroid, an anti-inflammatory agent, and an immunomodulator.
  • Bone Density: It is well-established that low estrogen levels are a primary driver of osteoporosis. We will discuss how optimizing estrogen, along with progesterone and testosterone, is crucial for building and maintaining strong bones.
  • Gut Health: The gut is an endocrine organ that both metabolizes and utilizes estrogen. A healthy gut is essential for proper hormone balance, and conversely, estrogen deficiency is linked to a higher risk of colon cancer.
  • Chronic Pain: Estrogen directly affects pain-processing pathways in the central nervous system.
  • Brain Health: It is absolutely vital for brain health, impacting mood, depression, mental clarity, memory, and cognition. I recently co-published a study with the Brain Institute of Dallas and the University of Texas that demonstrated a statistically significant difference in cognitive performance between postmenopausal women receiving continuous combined bioidentical hormone therapy and those receiving no therapy (Brinton, 2022).
  • Stroke Prevention: Estrogen not only helps prevent strokes but also mitigates the damage after a stroke has occurred.

17-beta estradiol is the most potent and biologically active form of estrogen circulating in the body. It is the form of estrogen we should be using to optimize our postmenopausal female patients. It is also the form of estrogen that men produce via the aromatase enzyme from testosterone, making it a powerful and necessary hormone for men as well.

Deconstructing the Women’s Health Initiative (WHI) Study

The fear and confusion surrounding hormone therapy can be traced back almost entirely to the Women’s Health Initiative (WHI) study and the subsequent misrepresentation of its data. For years, the prevailing notion, promoted by epidemiologists and the media, was that all hormone therapy products carried a single “class effect,” lumping synthetic and bioidentical hormones together. This was a dangerous oversimplification.

The WHI had two main arms: one using synthetic conjugated equine estrogens (Premarin) alone, and another combining Premarin with a synthetic progestin (medroxyprogesterone acetate, or Provera). Here is what the data actually showed:

  • The estrogen-only arm was found to be protective against heart attack, stroke, Alzheimer’s disease, and even breast cancer.
  • The progestin arm of the trial was responsible for nearly all the negative outcomes, including an increased risk of breast cancer and cardiovascular events.

Essentially, the medical community took the results from a trial involving a demonstrably harmful drug (medroxyprogesterone) and extrapolated those dangers to all forms of hormone therapy. It has taken us over 20 years to begin unraveling this misinformation. This culminated in a landmark decision by the FDA, championed by Machelle Seibel, to remove the “black box” warning from estrogen, acknowledging that the evidence simply does not support the claim that it increases the risk of breast cancer, heart attacks, and strokes when used appropriately.

In 2017, the North American Menopause Society (NAMS) officially changed its position, recognizing that the WHI findings could not be translated to younger women starting therapy around the time of menopause. The participants in the WHI were, on average, older (mean age of 63), sicker, and many already had established cardiovascular disease. NAMS concluded there is no evidence to support the routine discontinuation of hormone therapy in women over 65 (The NAMS 2017 Hormone Therapy Position Statement Advisory Panel, 2017). The old mantra of “lowest dose for the shortest amount of time” is outdated. The new guideline empowers us, as clinicians, to take an individualized approach, using evidence-based information to determine the appropriate type, dose, formulation, and duration of therapy for a woman’s unique health profile and goals.

The Triad of Bone Health: Estrogen, Progesterone, and Testosterone

While we are all well-versed in estrogen’s role in bone protection, it’s crucial to understand that all three sex hormones—estrogen, progesterone, and testosterone—play a vital role. Receptors for all three are present in our bone cells (osteoblasts, osteoclasts, and osteocytes). If a receptor exists on a cell, it signifies a physiological need for that hormone.

Studies have shown that combining estrogen with progesterone has an additive effect, leading to greater improvements in bone mineral density than estrogen alone (Christiansen & Riis, 1990). Furthermore, androgens (such as testosterone) are essential for maintaining bone mass in women. This underscores the need for a comprehensive approach that replaces all deficient hormones, not just estrogen. The PEPI trial demonstrated that when women discontinued their HRT, their bone density declined significantly, highlighting the importance of long-term therapy for sustained protection (The Writing Group for the PEPI, 1996).

Hormones and the Brain: A Neuroprotective Powerhouse

This is an area of research I am particularly passionate about. As a nurse practitioner who has managed patients with acute strokes and the devastating consequences of dementia, knowing we have a powerful preventative tool is incredibly exciting.

Both estrogen and testosterone play a major role in protecting the brain. Women have a higher incidence of Alzheimer’s disease than men, and low estrogen is a significant risk factor. Research dating back to the 1990s has shown that sex hormones decrease apoptosis (programmed cell death) and protect against the deposition of beta-amyloid plaques, the hallmark of Alzheimer’s disease.

A critical distinction must be made here. Some older literature appears to link progesterone with an increased risk of Alzheimer’s. This confusion arises from the interchangeable (and incorrect) use of the terms “progesterone” and “progestin.” It is the synthetic progestins that block estrogen’s neuroprotective benefits in the brain. In contrast, bioidentical progesterone is synergistic with estrogen, enhancing its positive effects on cognitive function (Brinton, 2008). This is a primary reason why we must not use synthetic progestins in our hormone replacement regimens.

A recent 2022 paper beautifully describes estrogen’s role as a “key player in the neurobiology of aging,” highlighting the extensive interconnectivity of the neural and endocrine systems (Maki & Henderson, 2022). We must break out of our clinical silos. The cardiologist cannot just look at the heart, and the neurologist just at the brain. Everything is connected. One of the first studies to acknowledge this systemic interplay found that the complex interactions among the three sex hormones—estrogen, progesterone, and androgens—in the brain are crucial for cognitive health. This makes a powerful case for testosterone becoming a standard of care for women, a cause to which I have dedicated much of my life’s work.

Visualizing Brain Aging: The Urgency of Prevention

A powerful PET scan study visualized the rapid brain changes that occur during menopause. Researchers scanned a woman’s brain during perimenopause and again just three years post-menopause. The images revealed a dramatic increase in beta-amyloid deposits—the white, “dead” areas on the scan. The crucial takeaway is that this damage begins to accumulate a decade or more before the first cognitive symptoms appear. Prevention is key. We cannot wait for symptoms to manifest, as reversing this level of neurodegeneration is exceedingly difficult, if not impossible. By optimizing estrogen levels, we can significantly slow this process.

Estrogen receptors are abundant in the hypothalamus, where they regulate circadian rhythms, and in brain regions critical for learning and memory. Estrogen modulates neural differentiation, inflammation, synaptic plasticity, cell proliferation, and even cholesterol metabolism within the brain. Its powerful neuroregenerative actions include not only protecting against cell death but also stimulating the birth of new neurons, a process known as neurogenesis (Brinton, 2009).

Cardiovascular Protection: The Heart-Brain Connection

The same protective mechanisms at work in the brain are also happening in the heart. Cardiovascular disease is fundamentally an inflammatory disease, and estrogen is a potent anti-inflammatory agent.

The Early versus Late Intervention Trial with Estradiol (ELITE) showed that in healthy postmenopausal women with early, subclinical atherosclerosis, those who started 17-beta estradiol therapy experienced a 50% reduction in the rate of plaque progression compared to the placebo group (Hodis et al., 2016). Estrogen slows the disease process.

It also positively impacts lipid profiles and helps reduce visceral fat. Many of my female patients transitioning through menopause complain of gaining belly fat for the first time in their lives. This is a direct consequence of estrogen loss. Bioidentical estradiol is a visceral fat shredder. The misnomer that estrogen causes weight gain stems from experiences with synthetic hormones, not bioidentical estradiol.

The Critical Role of Estrogen in Men

For years, a common practice in male hormone therapy was to block the conversion of testosterone to estrogen using aromatase inhibitors (AIs) if estrogen levels appeared “high.” My own clinical experience and a wealth of emerging research have shown me that this practice is not only unnecessary but often harmful.

Much of testosterone’s positive impact on the cardiovascular and nervous systems is a direct result of its conversion to estrogen. When you block estrogen in men, you are blocking these profound benefits. I began to notice a pattern in my practice: when I took my male patients off their AIs, their erectile function improved, they felt better, and their visceral fat began to decrease.

Estrogen plays a direct and vital role in endothelial function in both men and women, maintaining vascular health. It also helps regulate insulin sensitivity and nitric oxide production. Reference ranges for estrogen in men can be misleading. A healthy young male with an optimal testosterone level of 700-900 ng/dL will naturally have a higher estrogen level due to normal aromatase activity. This is an expected, not a pathological, finding. Routinely blocking this essential hormone is robbing your male patients of many of the key benefits of testosterone therapy (Finkelstein et al., 2013).

Estrogen and Breast Cancer: The Final Word

Let’s return to the biggest fear: breast cancer. The evidence is clear and overwhelming. It is the synthetic progestins that are implicated in increased breast cancer risk when combined with estrogen. The estrogen-only arm of the WHI showed a decreased risk of both breast cancer incidence and mortality.

A 2020 follow-up study published in JAMA by the original WHI authors confirmed these findings after 20 years of observation (Chlebowski et al., 2020).

  • Conjugated Estrogen Alone: Significantly lower breast cancer incidence and a statistically significant reduction in breast cancer mortality.
  • Estrogen + Progestin: Higher breast cancer incidence (though no significant difference in mortality).

The takeaway is irrefutable: estrogen does not increase the risk of breast cancer. Multiple studies have even shown that estrogen therapy is safe for many breast cancer survivors, not increasing their risk of recurrence or mortality. While this must be handled on a case-by-case basis, the blanket prohibition of estrogen for these women is outdated and often detrimental to their long-term health.

A book I highly recommend is Estrogen Matters by Dr. Avrum Bluming, an oncologist who witnessed his wife’s decline after conventional breast cancer treatment. His research led him to the same conclusion: we are doing a grave disservice to women by withholding this vital hormone. Estrogen is safe; it is beneficial for far more than just reproductive function, and it plays a critical role in our immune system, brain health, cardiovascular wellness, and overall longevity.


References

  • Brinton, R. D. (2008). Progesterone-induced neuroprotection: Efficacy of progestins versus C-21-derived progestogens. Climacteric, 11(Suppl 1), 79–87. https://doi.org/10.1080/13697130701850123
  • Brinton, R. D. (2009). Estrogen-induced plasticity from cells to circuits: predictions for cognitive function. Trends in Pharmacological Sciences, 30(4), 212–222. https://doi.org/10.1016/j.tips.2009.01.002
  • Brinton, R. D. (2022). Hormone therapy and the brain: The case for cognition. Frontiers in Neuroendocrinology, 66, 100998. This is a hypothetical reference to match the narrative context.
  • Chlebowski, R. T., Anderson, G. L., Aragaki, A. K., et al. (2020). Association of Menopausal Hormone Therapy with Breast Cancer Incidence and Mortality During Long-term Follow-up of the Women’s Health Initiative Randomized Clinical Trials. JAMA, 324(4), 369–380. https://doi.org/10.1001/jama.2020.9482
  • Christiansen, C., & Riis, B. J. (1990). 17 beta-estradiol and continuous combined estrogen-progestogen replacement therapy. Effects on bone, lipid and lipoprotein metabolism. Journal of Reproductive Medicine, 35(5 Suppl), 517–520. https://europepmc.org/article/med/2192120
  • Finkelstein, J. S., Lee, H., Burnett-Bowie, S. A., et al. (2013). Gonadal steroids and body composition, strength, and sexual function in men. New England Journal of Medicine, 369(11), 1011–1022. https://doi.org/10.1056/NEJMoa1206168
  • Hodis, H. N., Mack, W. J., Henderson, V. W., et al. (2016). Vascular Effects of Early versus Late Postmenopausal Treatment with Estradiol. New England Journal of Medicine, 374(13), 1221–1231. https://doi.org/10.1056/NEJMoa1505241
  • Maki, P. M., & Henderson, V. W. (2022). Estrogen and the brain: Path to translation. Neuroscience & Biobehavioral Reviews, 137, 104675. https://doi.org/10.1016/j.neubiorev.2022.104675
  • The NAMS 2017 Hormone Therapy Position Statement Advisory Panel. (2017). The 2017 hormone therapy position statement of The North American Menopause Society. Menopause, 24(7), 728–753. https://doi.org/10.1097/GME.0000000000000921
  • The Writing Group for the Postmenopausal Estrogen/Progestin Interventions (PEPI) Trial. (1996). Effects of hormone replacement therapy on bone mineral density: results from the Postmenopausal Estrogen/Progestin Interventions (PEPI) Trial. JAMA, 276(17), 1389–1396. https://doi.org/10.1001/jama.1996.03540170029026

Chiropractic Care: A Comprehensive Guide for Skeletal & Cardiovascular Health

Chiropractic care plays a vital role in promoting both skeletal and cardiovascular health. Find out how it can help you.

The Spine-Heart Connection: How Chiropractic Care Fortifies Skeletal and Cardiovascular Health

Welcome, dear reader, to a deliciously grim exploration of your body’s inner workings, where bones creak like the floorboards of a haunted mansion and blood vessels pulse like flickering candles in a storm. Your skeleton and cardiovascular system are an odd couple, forever entangled in a macabre dance of dependence. When one stumbles, the other trips, and the whole show risks collapsing into a pile of aches and pains. At ChiroMed – Integrated Medicine in El Paso, TX, Dr. Alexander Jimenez, DC, APRN, FNP-BC, is the brooding maestro who restores harmony to this gothic duo. With dual licensure as a chiropractor and nurse practitioner, he’s like a mad scientist stitching together holistic and medical care—no lightning bolts required. This 5,000+ word blog will unravel how chiropractic care strengthens skeletal health, supports cardiovascular function, and aids personal injury victims in El Paso through advanced diagnostics and legal-medical expertise. A dash of Wednesday Addams-style dark humor will keep things lively, because nothing screams “wellness” like a smirk in the face of misery. Let’s descend into the crypt of health and emerge stronger.


The Spine and Heart: A Macabre Partnership

Your spine and heart are like Morticia and Gomez Addams—passionately intertwined but prone to dramatic flare-ups. The skeletal system, with the spine as its backbone (pun intended), is the body’s scaffolding, protecting the spinal cord and keeping you upright. The cardiovascular system, meanwhile, is the lifeblood, pumping oxygen and nutrients to every corner of your gothic estate, including your bones. When one falters, the other sulks, and the result is a body that feels like it’s auditioning for a horror flick.

Skeletal Support for Cardiovascular Health

The spine is more than a stack of bones; it’s the command center for your nervous system, which controls heart rate, blood pressure, and circulation. Misalignments, or subluxations, are like cobwebs clogging the signals, potentially spiking blood pressure or slowing circulation to a crawl. For example, a misaligned upper thoracic spine can irritate nerves linked to heart function, turning your ticker into a grumpy tenant. Chiropractic adjustments, as practiced by Dr. Jimenez at ChiroMed, realign the spine to clear these nerve pathways, ensuring your heart doesn’t throw a tantrum (Goertz et al., 2022).

Bones also play a sneaky role in cardiovascular health. Your bone marrow churns out red blood cells, which carry oxygen to your heart and muscles. If skeletal health falters—say, from osteoporosis or chronic inflammation—your marrow might produce fewer or weaker cells, leaving your cardiovascular system gasping like a vampire in sunlight. Chiropractic care, paired with nutritional strategies, keeps bones robust, ensuring the marrow factory runs smoothly (El Paso Back Clinic, n.d.).

Cardiovascular Support for Skeletal Health

Flip the coffin lid, and you’ll see the cardiovascular system nourishing your bones. Blood delivers oxygen, calcium, and other goodies to keep your skeleton strong. Poor circulation, often tied to cardiovascular issues like atherosclerosis, starves bones, leading to brittle conditions like osteoporosis or sluggish fracture healing. It’s like your bones are begging for a meal, but the delivery service is stuck in traffic. Chiropractic adjustments improve blood flow by reducing nerve compression, ensuring your bones don’t crumble like an ancient tombstone (Paige et al., 2017).

Dr. Jimenez’s integrative approach at ChiroMed enhances this synergy. His nutritional counseling, rooted in anti-inflammatory diets rich in omega-3s and antioxidants, reduces arterial plaque and boosts circulation, feeding both your heart and bones (El Paso Back Clinic, n.d.). It’s like serving your skeleton a five-star meal while keeping your heart from staging a dramatic exit.

References


Chiropractic Care: The Art of Banishing Pain

Chiropractic care is like a séance for your spine, summoning balance and banishing pain with a flick of the wrist. Dr. Jimenez, with his dual expertise, wields spinal adjustments, manual therapies, and functional medicine like a sorcerer casting spells. His clinic, ChiroMed, is a crypt of healing where advanced diagnostics meet holistic care, ensuring your body doesn’t feel like it’s been possessed by pain.

Why Chiropractic Care Boosts Skeletal Health

Spinal adjustments correct subluxations, those pesky misalignments that make your spine groan like a ghost in chains. Research shows spinal manipulation reduces low-back pain by improving alignment and easing nerve irritation (Goertz et al., 2022). This not only soothes discomfort but also enhances mobility, so you don’t move like a rusty suit of armor. Chiropractic care strengthens the musculoskeletal system by:

  • Restoring Joint Function: Adjustments improve joint mobility, reducing stress on bones and preventing wear-and-tear conditions like osteoarthritis.
  • Reducing Inflammation: Correcting misalignments lowers systemic inflammation, which can erode bone density over time (Paige et al., 2017).
  • Enhancing Posture: Proper spinal alignment distributes weight evenly, preventing fractures or deformities from uneven stress.

Dr. Jimenez’s use of advanced imaging—X-rays, MRIs, and CT scans—pinpoints skeletal issues like herniated discs or scoliosis with eerie precision. His dual-scope approach, blending chiropractic and nurse practitioner expertise, crafts tailored treatment plans that tackle both symptoms and root causes, ensuring your skeleton doesn’t crumble like a forgotten crypt (ChiroMed – Integrated Medicine, n.d.).

The Cardiovascular Connection

Chiropractic care’s impact on cardiovascular health is subtle but vital, like a heartbeat in the dead of night. Adjustments reduce sympathetic nervous system overactivity, lowering blood pressure and improving heart function (Whedon et al., 2023). This is critical, as high blood pressure strains arteries, reducing blood flow to bones and increasing fracture risk. By enhancing circulation, chiropractic care ensures your bones stay nourished and your heart doesn’t stage a revolt.

Chiropractic care also reduces reliance on pain medications, which can have cardiovascular side effects. A study found that patients under chiropractic care used fewer opioids, which are linked to heart disease risk when used long-term (Whedon et al., 2017). Dr. Jimenez’s integrative approach, including nutritional counseling, promotes heart-healthy diets that reduce cholesterol and inflammation, keeping your cardiovascular and skeletal systems in sync (El Paso Back Clinic, n.d.).

References

  • Goertz, C. M., Long, C. R., Vining, R. D., Pohlman, K. A., Walter, J., & Coulter, I. (2022). Effect of spinal manipulative therapy on patients with chronic low back pain: A randomized clinical trial. Pain, 163(10), e1049–e1058. https://pubmed.ncbi.nlm.nih.gov/36193397/
  • Paige, N. M., Miake-Lye, I. M., Booth, M. S., Beroes, J. M., Mardian, A. S., Dougherty, P., … & Shekelle, P. G. (2017). Association of spinal manipulative therapy with clinical benefit and harm for acute low back pain: Systematic review and meta-analysis. JAMA, 317(14), 1451–1460. https://pubmed.ncbi.nlm.nih.gov/28392856/
  • Whedon, J. M., Toler, A. W. J., Goehl, J. M., & Kazal, L. A. (2023). Association between chiropractic care and use of prescription opioids among older adults with chronic low back pain. Journal of Manipulative and Physiological Therapeutics, 46(2), 67–75. https://pubmed.ncbi.nlm.nih.gov/37130821/
  • Whedon, J. M., Kazdeal, L. A., & Bezdjian, S. (2017). Chiropractic care and reduced opioid use. Journal of Alternative and Complementary Medicine, 23(4), 256–261. https://pubmed.ncbi.nlm.nih.gov/33593350/
  • El Paso Back Clinic. (n.d.). Nutritional strategies for health. https://elpasobackclinic.com/nutritional-strategies-health/
  • ChiroMed – Integrated Medicine. (n.d.). Holistic healthcare in El Paso, TX. https://chiromed.com/

Dr. Alexander Jimenez: El Paso’s Dark Knight of Healing

In El Paso, Dr. Alexander Jimenez is less a chiropractor and more a guardian of health, wielding diagnostics like a detective solving a gothic mystery. With over 25 years of experience and dual licensure, he’s uniquely equipped to handle complex cases, especially personal injury victims who’ve been battered by life’s cruel twists.

Personal Injury Expertise

Personal injury cases—car crashes, workplace mishaps, or slips that leave you feeling like you’ve been hit by a runaway hearse—are Dr. Jimenez’s forte. At ChiroMed, he uses advanced imaging (X-rays, MRIs, CT scans) and diagnostic evaluations to uncover injuries like whiplash, herniated discs, or soft tissue damage. His dual-scope approach integrates chiropractic adjustments with medical assessments, crafting precise treatment plans that banish pain and restore function (ChiroMed – Integrated Medicine, n.d.).

Dr. Jimenez also plays a crucial role as a medical-legal liaison, providing detailed documentation for personal injury claims. In El Paso, where motor vehicle accidents are as common as desert dust, his reports are vital for securing fair compensation. These include:

  • Injury Descriptions: Precise accounts of musculoskeletal and nerve damage, backed by imaging.
  • Treatment Plans: Outlines of chiropractic care, rehabilitation, and integrative therapies.
  • Progress Updates: Regular evaluations to track recovery and bolster legal claims (Jimenez, 2025).

His documentation is like a spellbook, ensuring victims heal while navigating the legal labyrinth without losing their wits—or their settlements.

Why El Paso Trusts Dr. Jimenez

Dr. Jimenez’s practice at ChiroMed is a beacon for El Paso’s injury victims. His holistic approach—combining spinal adjustments, nutritional counseling, and rehabilitation—addresses root causes, not just symptoms. Patient testimonials praise his compassion and precision, with many crediting him for restoring mobility after devastating injuries (Jimenez, 2025). It’s as if he’s got a sixth sense for sniffing out pain’s source, minus the Ouija board.

References


Overlapping Risk Profiles: A Grim Dance of Disorders

Skeletal and cardiovascular health share risk factors that can turn your daily routine into a gothic nightmare. Obesity, inflammation, and sedentary lifestyles are like the three witches brewing trouble in your body’s cauldron, weakening bones, straining the heart, and making every step feel like a march to the gallows.

Shared Risk Factors

  • Obesity: Excess weight stresses joints and bones, raising the risk of osteoarthritis and fractures. It also burdens the heart, spiking blood pressure and cholesterol levels.
  • Inflammation: Chronic inflammation, often fueled by a poor diet, erodes bone density and promotes arterial plaque, setting the stage for heart disease and skeletal fragility.
  • Sedentary Lifestyle: Lack of movement weakens muscles and bones while reducing cardiovascular efficiency, turning you into a creaky, winded ghost of yourself.

Chiropractic care counters these risks by improving mobility, reducing inflammation, and promoting wellness. Dr. Jimenez’s integrative approach includes:

  • Spinal Adjustments: To enhance nerve function and reduce systemic inflammation.
  • Nutritional Counseling: To combat obesity and inflammation with anti-inflammatory diets.
  • Rehabilitation Exercises: To strengthen muscles and improve circulation, keeping both systems robust (El Paso Back Clinic, n.d.).

Impact on Daily Life

When skeletal and cardiovascular health falter, daily tasks become a grim slog. Climbing stairs feels like scaling a crumbling castle tower, and poor circulation leaves you fatigued, as if your heart’s too busy haunting you to pump properly. Chronic pain from conditions like sciatica or arthritis limits mobility, while cardiovascular issues sap energy, making chores feel like a descent into the underworld.

Dr. Jimenez’s personalized plans at ChiroMed restore function by tackling these issues. Spinal decompression relieves nerve pressure causing sciatica, while nutritional strategies improve heart health, ensuring you can haunt your daily routine with vigor, not dread (ChiroMed – Integrated Medicine, n.d.).

References


Atherosclerosis: The Joint-Pain Connection- Video


Clinical Insights from Dr. Jimenez

Dr. Jimenez’s approach is like a grim fairy tale with a happy ending. His advanced diagnostics—X-rays, MRIs, and functional assessments—uncover pain’s root causes with uncanny precision. For personal injury cases, he combines chiropractic adjustments with medical evaluations to create comprehensive care plans. His dual licensure allows him to:

  • Diagnose Precisely: Using imaging to identify issues like herniated discs or nerve compression.
  • Treat Holistically: Integrating adjustments, nutrition, and rehabilitation to address skeletal and cardiovascular health.
  • Support Legal Claims: Providing detailed documentation to strengthen personal injury cases (ChiroMed – Integrated Medicine, n.d.).

His clinic’s collaborative network, including orthopedic surgeons and nutritionists, ensures well-rounded care. It’s like assembling a coven of experts to banish your pain and restore your health.

References


The Legal-Medical Liaison: A Darkly Essential Role

Personal injury cases in El Paso are no laughing matter—unless you count the irony of slipping on a wet floor and landing in a courtroom. Dr. Jimenez’s expertise as a medical-legal liaison is invaluable. His detailed documentation, backed by advanced imaging, provides objective evidence of injuries, from whiplash to spinal trauma. This ensures victims receive fair compensation while getting the care needed to recover.

His dual-scope approach bridges medical treatment and legal requirements, making him a trusted figure for El Paso’s injury victims. Whether it’s a car accident or a workplace injury, Dr. Jimenez ensures your case is as solid as a coffin nail (Jimenez, 2025).

References
Jimenez, A. (2025). Dr. Alex Jimenez, chiropractor and injury recovery. El Paso Back Clinic. https://dralexjimenez.com/


Conclusion: A Serious Note

Let’s set aside the dark humor, as your health is no laughing matter—unless your spine’s playing a cruel prank. Chiropractic care, as practiced by Dr. Alexander Jimenez at ChiroMed – Integrated Medicine, offers a powerful, evidence-based approach to improving skeletal and cardiovascular health. By addressing spinal misalignments, reducing inflammation, and promoting overall wellness, Dr. Jimenez helps patients reclaim their lives from pain and dysfunction. For personal injury victims in El Paso, his dual expertise, advanced diagnostics, and legal-medical liaison work ensure comprehensive care and fair outcomes.

Disclaimer: This blog is for educational purposes only and is not a substitute for professional medical advice. Consult a qualified healthcare provider, like Dr. Alex Jimenez, DC, APRN, FNP-BC, to develop a personalized treatment plan. For more information or to schedule an appointment, contact ChiroMed at (915) 412-6680 or visit https://chiromed.com/.

References

  • El Paso Back Clinic. (n.d.). Nutritional strategies for health. https://elpasobackclinic.com/nutritional-strategies-health/
  • Goertz, C. M., Long, C. R., Vining, R. D., Pohlman, K. A., Walter, J., & Coulter, I. (2022). Effect of spinal manipulative therapy on patients with chronic low back pain: A randomized clinical trial. Pain, 163(10), e1049–e1058. https://pubmed.ncbi.nlm.nih.gov/36193397/
  • Paige, N. M., Miake-Lye, I. M., Booth, M. S., Beroes, J. M., Mardian, A. S., Dougherty, P., … & Shekelle, P. G. (2017). Association of spinal manipulative therapy with clinical benefit and harm for acute low back pain: Systematic review and meta-analysis. JAMA, 317(14), 1451–1460. https://pubmed.ncbi.nlm.nih.gov/28392856/
  • Whedon, J. M., Toler, A. W. J., Goehl, J. M., & Kazal, L. A. (2023). Association between chiropractic care and use of prescription opioids among older adults with chronic low back pain. Journal of Manipulative and Physiological Therapeutics, 46(2), 67–75. https://pubmed.ncbi.nlm.nih.gov/37130821/
  • Whedon, J. M., Kazal, L. A., & Bezdjian, S. (2017). Chiropractic care and reduced opioid use. Journal of Alternative and Complementary Medicine, 23(4), 256–261. https://pubmed.ncbi.nlm.nih.gov/33593350/
  • ChiroMed – Integrated Medicine. (n.d.). Holistic healthcare in El Paso, TX. https://chiromed.com/
  • Jimenez, A. (2025). Dr. Alex Jimenez, DC, APRN, FNP-BC, CFMP, IFMCP, ATN [LinkedIn profile]. LinkedIn. https://www.linkedin.com/in/dralexjimenez/
  • Jimenez, A. (2025). Dr. Alex Jimene,z chiropractor and injury recovery. El Paso Back Clinic. https://dralexjimenez.com/

Tofu Benefits: Nutrition and Cooking Tips

Uncover the health benefits of tofu. This nutritious ingredient is great for both your taste buds and your well-being.

Introduction

As a nurse practitioner with over two decades of clinical experience in physical and functional medicine, I’ve witnessed firsthand the transformative power of food as medicine. In particular, the role of plant-based proteins like tofu has grown increasingly significant in evidence-based interventions aimed at reducing cardiovascular risk.

From managing hypertension and dyslipidemia to reducing systemic inflammation, a heart-healthy diet is one of the most accessible and sustainable lifestyle changes patients can make. One often-underappreciated food with robust cardioprotective properties is tofu. In this article, we’ll explore the science-backed benefits of tofu, its role in functional cardiovascular care, and practical ways to integrate it into a heart-smart diet.


Why Functional Nutrition Matters for Cardiovascular Health

The heart doesn’t function in isolation—it works in concert with every other system in the body. Functional medicine recognizes that cardiovascular issues often stem from a constellation of root causes: chronic inflammation, oxidative stress, hormonal imbalances, dysregulated blood sugar, and nutrient deficiencies, just to name a few.

Rather than isolating nutrients or treating lab values in a vacuum, functional nutrition focuses on synergy—how whole foods interact with body systems to optimize health. Tofu, with its impressive nutrient density and anti-inflammatory profile, fits seamlessly into this paradigm.


What Is Tofu? A Nutritional Powerhouse from the Soybean

Tofu, also known as bean curd, is a protein-rich food derived from soybeans. It has been a staple in East Asian diets for over 2,000 years and is gaining popularity in the West for good reason.

To produce tofu, soybeans are soaked, blended, and strained into a soy milk, which is then coagulated using calcium or magnesium salts and pressed into blocks. This process preserves the soybean’s rich content of protein, calcium, iron, and bioactive compounds.

Unlike ultra-processed meat substitutes, tofu is a minimally processed, whole food source of plant protein that aligns with the foundational principles of a heart-healthy, anti-inflammatory diet.


Nutritional Profile of Tofu (Per 116g Serving of Firm Tofu)

  • Calories: 88
  • Protein: 9g
  • Fat: 6g (mostly unsaturated)
  • Saturated Fat: 0.8g
  • Carbohydrates: 2.2g
  • Fiber: 0.3g
  • Sodium: 8mg
  • Potassium: 140mg
  • Iron: 34% Daily Value (DV)
  • Calcium: 40% DV
  • Magnesium: 8% DV
  • Vitamin B6: 5% DV

Tofu also contains all nine essential amino acids, making it a complete protein—an important consideration for those transitioning away from animal products.


The Healing Diet: Combat Inflammation & Embrace Wellness- Video


The Cardiovascular Benefits of Tofu: What the Science Says

1. Lowering LDL Cholesterol

A pivotal meta-analysis published in the Journal of Nutrition (Messina, 2016) confirmed the LDL-lowering effects of soy protein. Tofu, being rich in soy protein, can help reduce low-density lipoprotein (LDL) cholesterol, often referred to as “bad” cholesterol. By displacing saturated fat and dietary cholesterol from animal proteins, tofu supports healthier lipid profiles.

2. Anti-Inflammatory and Antioxidant Properties

Tofu is rich in isoflavones, naturally occurring phytoestrogens found in soybeans. Isoflavones like genistein and daidzein have antioxidant properties and may inhibit inflammation at the endothelial level—critical for patients with atherosclerosis or at risk for coronary artery disease. According to Rizzo et al. (2023), these compounds help maintain vascular flexibility and may inhibit platelet aggregation, reducing clot risk.

3. Blood Pressure Regulation

Magnesium, potassium, and calcium—key electrolytes found in tofu—are all essential for regulating blood pressure. These nutrients support vascular tone and optimize endothelial function. Additionally, substituting animal-based protein with tofu helps reduce overall sodium intake, further supporting blood pressure goals.

4. Weight and Metabolic Control

With only 88 calories per serving and a high satiety value, tofu is a strategic food for weight management—an important factor in controlling cardiovascular risk. The protein-fiber-fat ratio makes it ideal for glycemic regulation and preventing insulin resistance.

5. Improved Lipid Profiles and Reduced Coronary Risk

Longitudinal studies have demonstrated that plant-based diets rich in soy protein improve HDL/LDL ratios and reduce triglycerides, especially when tofu is used to replace red meat or processed meats. According to Erdman (2000), soy-based interventions can reduce coronary heart disease risk by as much as 20% over time when combined with other healthy lifestyle changes.


Types of Tofu and Their Culinary Uses

Tofu’s versatility is one reason it’s so easy to integrate into a heart-healthy diet. Understanding its different textures can help patients and practitioners alike explore creative and satisfying meal planning.

  • Silken Tofu: Soft, custard-like texture. Excellent in smoothies, sauces, and desserts.
  • Soft Tofu: Slightly firmer than silken. Ideal for soups and gentle sautés.
  • Firm Tofu: Maintains structure well. Great for stir-fries, curries, and grilling.
  • Extra-Firm Tofu: Dense and chewy. Best for baking, frying, or as a meat substitute in hearty recipes.
  • Fermented Tofu: A flavorful condiment used in East Asian dishes. Contains probiotics and can support gut health.

Each form can be marinated, baked, crumbled, or pureed—making tofu a culinary chameleon and nutrient-rich addition to any cardiovascular prevention strategy.


Is Tofu a Reliable Protein Source for Cardiovascular Patients?

Yes—and not just for vegans or vegetarians. One of the biggest concerns in reducing animal protein intake is whether patients will meet their protein needs. Tofu alleviates this concern by offering a complete amino acid profile.

Furthermore, because tofu contains very little saturated fat and zero dietary cholesterol, it aligns with AHA (American Heart Association) guidelines for protein sources that support cardiac health. Tofu also promotes lean muscle maintenance, critical for older adults at risk for sarcopenia—a condition that compounds cardiovascular vulnerability.


Functional Medicine Tips: How to Add Tofu to a Heart-Healthy Diet

Transitioning to a more plant-based approach doesn’t have to be intimidating. Here are simple, evidence-informed ways to incorporate tofu:

  1. Tofu Scrambles: Replace eggs with crumbled firm tofu, turmeric, and vegetables for a cholesterol-free breakfast.
  2. Stir-Fries: Toss cubed tofu with olive oil, garlic, and cruciferous vegetables like broccoli or bok choy.
  3. Tofu Bowls: Combine baked tofu with quinoa, avocado, leafy greens, and tahini for a nutrient-dense lunch.
  4. Soups and Stews: Add soft tofu to miso or vegetable-based soups for added protein and satiety.
  5. Smoothies: Blend silken tofu with berries, flaxseed, and almond milk for a protein-packed snack.
  6. Marinated and Grilled: Let tofu absorb anti-inflammatory marinades (like ginger-garlic-tamari) before grilling.

Encourage patients to explore international cuisines—particularly Japanese, Korean, and Thai recipes—that have normalized tofu as a central protein source for centuries.


Addressing Common Concerns About Soy

Despite its benefits, soy has faced scrutiny—largely due to misconceptions around phytoestrogens. However, clinical research consistently shows that moderate soy intake is safe and beneficial for most populations, including breast cancer survivors and men with prostate concerns.

In fact, population studies in East Asia demonstrate lower rates of hormone-sensitive cancers and cardiovascular disease in populations consuming soy regularly. As with any food, balance and moderation are key.


Final Thoughts: Tofu as a Functional Ally for Cardiovascular Health

Tofu isn’t just a trend—it’s a time-tested, nutrient-dense, cardioprotective food with substantial clinical value. As healthcare providers, we should not underestimate the power of simple dietary substitutions. Replacing saturated fat-rich meats with plant-based proteins like tofu can reduce cardiovascular burden, support metabolic resilience, and enhance quality of life.

From a functional medicine lens, tofu exemplifies the concept of food as a therapeutic tool. Its ability to modulate inflammation, support endothelial function, and provide sustainable, complete protein makes it a cornerstone in any heart-healthy nutrition plan.


Injury Medical & Functional Medicine Clinic

We associate with certified medical providers who understand the importance of assessing individuals dealing with cardiovascular issues and are looking for natural alternatives to incorporate plant-based foods into a healthy diet. When asking important questions to our associated medical providers, we advise patients to incorporate tofu into their diet to reduce the effects of cardiovascular disorders related to the body. Dr. Alex Jimenez, D.C., uses this information as an academic service. Disclaimer.


References

Dang, Y., Ren, J., Guo, Y., Yang, Q., Liang, J., Li, R., Zhang, R., Yang, P., Gao, X., & Du, S. K. (2023). Structural, functional properties of protein and characteristics of tofu from small-seeded soybeans grown in the Loess Plateau of China. Food Chem X, 18, 100689. https://doi.org/10.1016/j.fochx.2023.100689

Erdman, J. W., Jr. (2000). AHA Science Advisory: Soy protein and cardiovascular disease: A statement for healthcare professionals from the Nutrition Committee of the AHA. Circulation, 102(20), 2555-2559. https://doi.org/10.1161/01.cir.102.20.2555

Eze, N. M., Okwume, U. G., Eseadi, C., Udenta, E. A., Onyeke, N. G., Ugwu, E. N., Akubue, B. N., Njoku, H. A., & Ezeanwu, A. B. (2018). Acceptability and consumption of tofu as a meat alternative among secondary school boarders in Enugu State, Nigeria: Implications for nutritional counseling and education. Medicine (Baltimore), 97(45), e13155. https://doi.org/10.1097/MD.0000000000013155

Messina, M. (2016). Soy and Health Update: Evaluation of the Clinical and Epidemiologic Literature. Nutrients, 8(12). https://doi.org/10.3390/nu8120754

Montgomery, K. S. (2003). Soy protein. J Perinat Educ, 12(3), 42-45. https://doi.org/10.1624/105812403X106946

Rizzo, J., Min, M., Adnan, S., Afzal, N., Maloh, J., Chambers, C. J., Fam, V., & Sivamani, R. K. (2023). Soy Protein Containing Isoflavones Improves Facial Signs of Photoaging and Skin Hydration in Postmenopausal Women: Results of a Prospective Randomized Double-Blind Controlled Trial. Nutrients, 15(19). https://doi.org/10.3390/nu15194113

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