August 2026

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Menopause Changes More Than Your Hormones—It May Change How Your Genes Behave | Educational Purposes Only

By Dr. John A. Robinson and Dr. Cristina Romero-Bosch For decades, menopause has been treated primarily as a hormonal event: estrogen declines, periods stop, and women may experience hot flashes, sleep disruption, vaginal dryness, changes in body composition, mood changes and bone loss. But emerging research suggests something much bigger is happening. The menopausal transition […]

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Magnesium, Erectile Function, and Why I Routinely Look Beyond a Standard Magnesium Test | Educational Purposes Only

For years, I have routinely checked red blood cell (RBC) magnesium levels in my patients at The Hormone Zone®. Magnesium is easy to overlook because it seems so basic, yet it is involved in hundreds of enzymatic reactions and plays an important role in cardiovascular function, glucose metabolism, energy production, inflammation, vascular health, and nitric oxide signaling.

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Don’t Go Back to Sleep: The Forgotten Meaning of Waking Between 1 and 3 A.M. | Educational Purposes Only

In my practice, I regularly see patients who believe they have insomnia because they wake between 1:00 and 3:00 in the morning. Sometimes that awakening does reflect sleep apnea, hormonal symptoms, pain, reflux, nocturia, alcohol use, anxiety, or another treatable problem. But waking during this window is not automatically abnormal. For some people, it may represent

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How Much Sex Is Best for Longevity? A Study of 17,000 Adults May Have the Answer | Educational Purposes Only

By Dr. John A. Robinson, NMD When we think about the pillars of longevity, we usually focus on exercise, nutrition, sleep, stress management, and metabolic health. These are unquestionably important, but there is another aspect of human health that is often overlooked: sexual wellness. Many people think of sex as simply a quality-of-life issue. However,

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Beyond Vaginal Dryness: The Hormone Zone® Method for Restoring Vaginal Health After Menopause | Educational Purposes Only

By Dr. John A. Robinson, NMD Menopause changes much more than a woman’s menstrual cycle. It changes how she feels in her own body. Vaginal dryness develops, intimacy becomes uncomfortable, urinary symptoms become more frequent, and many women begin avoiding sexual activity because they anticipate pain. Too often, they are told these symptoms are simply

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Vitamin D and Hip Fracture Prevention: Why I Target 50–70 ng/mL | Educational Purposes Only

By Dr. John A. Robinson, NMD For decades, we’ve been told that a vitamin D level above 30 ng/mL is considered “normal.” But in medicine, “normal” and “optimal” are rarely the same thing. My goal has never been simply to prevent deficiency—I want to optimize physiology. That is why, for many years, I have recommended

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