New research involving more than 210,000 women reinforces what we’ve been telling our patients for years: Hormones are critically important, but they are only one part of the equation.
By Dr. John A. Robinson, NMD & Dr. Cristina Romero-Bosch, NMD | The Hormone Zone®
The Problem With Expecting Hormones to Fix Everything
For years, we’ve been telling our patients something that is often overlooked in conversations about menopause and hormone replacement therapy (HRT):
Not every symptom a woman experiences during menopause is caused by menopause. And not every symptom will disappear simply because we restore her hormones.
This is one of the fundamental reasons we developed our comprehensive approach to hormone replacement therapy at The Hormone Zone®.
Women frequently come to us experiencing fatigue, weight gain, brain fog, poor sleep, anxiety, depression, joint pain, decreased libido, and a general sense that they no longer feel like themselves.
Many believe that once they begin estrogen, progesterone, or testosterone therapy, everything will improve.
Sometimes, the improvements are remarkable. Other times, women experience significant improvements in certain symptoms while continuing to struggle with others.
The problem isn’t necessarily that hormone therapy isn’t working. The problem may be that hormones were never the only issue.
A major study published in October 2026 in Post Reproductive Health provides compelling evidence supporting this concept.
What the Research Found: More Than 210,000 Women Studied
Researchers from Cardiff University and collaborating institutions analyzed data from 210,489 women, examining how preexisting medical conditions influenced menopausal symptom severity and patterns.
The study, Menopausal Symptom Severities and Patterns Are Affected by Medical Profiles, evaluated conditions including:
- Anxiety and depression
- Autoimmune diseases
- Endometriosis, adenomyosis, and uterine fibroids
- Polycystic ovarian syndrome (termed PMOS in the study)
- Premature ovarian insufficiency
- Previous gynecological surgeries
- Cancer and cancer treatments
Researchers examined psychological, cognitive, physical, vasomotor, vaginal, sexual, sleep, joint, and weight-related symptoms.
Women with both physical and psychological medical conditions reported the greatest overall menopausal symptom burden.
Women with psychiatric diagnoses alone reported the next-highest symptom burden, while those without the evaluated diagnoses consistently reported the lowest severity.
In other words, a woman’s underlying medical profile was strongly associated with how she experienced menopause.
This is precisely why comprehensive medical care is essential.
Five Important Findings Every Woman Should Understand
1. Anxiety and Depression Can Significantly Influence Menopausal Symptoms
Anxiety and depression demonstrated some of the strongest associations with increased menopausal symptoms.
These weren’t limited to mood disturbances. Women with these diagnoses also reported greater difficulties with sleep, joint pain, physical symptoms, and overall symptom burden.
A woman experiencing fatigue, brain fog, poor motivation, insomnia, and low libido may understandably attribute everything to declining estrogen or testosterone.
But if she also has underlying depression, chronic stress, or an untreated sleep disorder, hormone therapy alone may not resolve her complaints.
Our approach is to evaluate both hormonal and nonhormonal contributors rather than assuming one explains everything.
2. Autoimmune Conditions Can Make Menopause More Difficult
Researchers identified significant associations between autoimmune disorders and increased joint pain, physical symptoms, and psychological or cognitive complaints.
Consider a woman with autoimmune thyroid disease who develops worsening fatigue, joint discomfort, and brain fog during perimenopause.
Declining estrogen may contribute, but thyroid dysfunction, inflammation, and underlying autoimmune disease may also play important roles.
Simply prescribing estrogen without investigating the broader medical picture risks leaving important contributors untreated.
At The Hormone Zone, we routinely evaluate thyroid health, metabolic function, inflammatory conditions, and other relevant medical factors alongside reproductive hormones.
3. Weight Gain Is Not Always Just a Hormone Problem
Weight gain was one of the most prominent symptoms reported.
Women with PMOS demonstrated increased weight-related symptoms, while depression was also associated with greater weight gain.
Hormonal changes during menopause can influence body composition, fat distribution, and metabolic health.
But insulin resistance, inadequate muscle mass, poor sleep, nutrition, physical inactivity, and medications can contribute independently.
We’ve seen women become frustrated when they begin HRT and don’t automatically lose the weight they’ve gained.
HRT is not a substitute for addressing metabolic dysfunction.
For some women, meaningful improvement requires hormone optimization, resistance training, nutritional changes, and appropriate metabolic interventions.
4. Joint Pain May Have Multiple Causes
Joint pain was another prominent complaint, with associations involving autoimmune disorders, anxiety, depression, and other conditions.
Estrogen influences connective tissue, musculoskeletal health, and inflammatory signaling.
But osteoarthritis, tendinopathy, autoimmune disease, muscle weakness, and biomechanical dysfunction don’t simply disappear when estrogen levels improve.
Restoring hormones may be one component of care, but maintaining strength, mobility, and joint function requires additional strategies.
5. Women Taking HRT Still Reported Significant Symptoms
Perhaps one of the most interesting findings was that women already taking hormone replacement therapy continued to report significant symptoms.
HRT use was associated with fewer vasomotor symptoms, consistent with its effectiveness for hot flashes and night sweats.
However, women using HRT also reported higher symptom burdens in several other categories.
This observational study did not establish that HRT caused those symptoms. Women with more severe symptoms may have been more likely to seek treatment.
Nevertheless, the finding reinforces something we encounter regularly:
A woman can be receiving appropriate hormone therapy and still have important health problems that require attention.
That doesn’t mean her treatment has failed. It means we need to look deeper.
The Hormone Zone Approach: Treat the Whole Woman, Not Just Her Hormone Levels
This research reinforces the philosophy that has guided our clinical practice for years.
We believe hormone replacement therapy can be transformative when appropriately prescribed and monitored.
But we’ve never believed that prescribing hormones, adjusting laboratory values, and sending a patient home represents comprehensive medical care.
Hormone optimization should be part of a larger strategy to improve health, function, and quality of life.
At The Hormone Zone, our approach considers several interconnected areas:
Hormonal health: Evaluating estrogen, progesterone, testosterone, thyroid function, and other endocrine factors when appropriate.
Metabolic health: Assessing insulin resistance, glucose regulation, body composition, and cardiovascular risk.
Inflammatory and immune health: Identifying autoimmune conditions and inflammatory disorders contributing to chronic symptoms.
Mental and emotional health: Recognizing the relationships among anxiety, depression, stress, sleep, and hormonal changes.
Musculoskeletal health: Addressing joint pain, muscle loss, strength, mobility, and physical aging.
Sleep and recovery: Evaluating sleep quality, insomnia, and conditions such as sleep apnea.
Nutrition and lifestyle: Supporting adequate protein intake, resistance training, physical activity, and nutritional health.
Sexual health: Evaluating hormonal, vascular, psychological, pelvic floor, and tissue-related contributors to sexual function.
These systems don’t operate independently. They influence one another continuously.
And that’s why treating only one system can leave a patient feeling that something is still missing.
The Expectations Problem: Why Some Women Become Disappointed With HRT
As hormone therapy has gained popularity, women are increasingly exposed to messaging suggesting that nearly every midlife health complaint can be traced to hormonal decline.
Fatigue? Hormones.
Weight gain? Hormones.
Depression? Hormones.
Poor sleep? Hormones.
Joint pain? Hormones.
Low libido? Hormones.
While hormones may contribute to every one of these complaints, that doesn’t mean they are always the primary cause.
When we convince women that hormones explain everything, we inadvertently encourage them to overlook the other factors influencing their health.
We’ve said for years that comorbidities are one of the reasons some women don’t achieve the results they expect from HRT.
They begin treatment expecting a complete transformation.
When symptoms persist, they may assume their estrogen dose is too low, their testosterone needs to be increased, or their hormone formulation needs to change.
Sometimes those adjustments are appropriate.
But sometimes the real issue is untreated insulin resistance, depression, thyroid disease, poor sleep, chronic inflammation, or declining physical fitness.
Increasing hormone doses won’t necessarily solve those problems.
We want women to have high expectations for their health, but realistic expectations about what hormone therapy alone can accomplish.
Menopause Is an Opportunity to Improve Your Entire Health
We approach menopause as an opportunity for a comprehensive health evaluation.
For many women, this transition occurs when cardiovascular risk, metabolic dysfunction, changes in body composition, and musculoskeletal problems become increasingly relevant.
Rather than viewing menopause exclusively as a hormonal event, we believe it should prompt a broader conversation about long-term health.
Are we protecting muscle mass and bone health? Identifying insulin resistance and cardiovascular risk? Addressing chronic inflammation, sleep disturbances, sexual health, and mental well-being?
And perhaps most importantly:
Are we simply trying to make a woman feel better today, or are we helping her become healthier for the decades ahead?
At The Hormone Zone, our goal is both.
Our Final Thoughts: Hormones Matter, but So Does Everything Else
We are strong advocates for individualized hormone replacement therapy.
We’ve seen how meaningful appropriate hormonal treatment can be for women’s quality of life, sexual health, and physical well-being.
But hormones are not a cure for every medical condition.
This research involving more than 210,000 women reinforces the importance of considering the entire medical picture.
A woman’s menopause experience is influenced not only by hormonal changes but also by her physical health, psychological health, medical history, and previous treatments.
That is why we’ve always emphasized a comprehensive approach.
We don’t want women to simply have better hormone levels. We want them to have better health.
And achieving that requires treating the whole woman.
Better health. Better living.
Dr. John A. Robinson, NMD & Dr. Cristina Romero-Bosch, NMD
Co-Founders, The Hormone Zone®
Ready for a More Comprehensive Approach to Hormone Therapy?
If you’ve started hormone replacement therapy but still don’t feel like yourself—or you’re considering HRT and want an approach that looks beyond hormone levels—we invite you to explore our comprehensive approach to women’s health.
Visit www.hormone-zone.com to learn more or schedule a consultation.
Featured Research
Andrews R, Lacey A, Lancastle D, Bache K, Kidd EJ. Menopausal symptom severities and patterns are affected by medical profiles. Post Reproductive Health. Published online October 14, 2026.
