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Estrogen is the most misunderstood hormone in medicine.

Nov 11, 2025

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13 min read

Estrogen is the most misunderstood hormone in medicine.

Plus, the sport that adds 10 years to your life.

Forget Weight—Muscle Is the Real Longevity Metric.

Nov 4, 2025

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11 min read

Forget Weight—Muscle Is the Real Longevity Metric.

Plus, long vs. short walks and the ideal timing for HRT.

The Case for Adding Testosterone to Your HRT.

Oct 28, 2025

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11 min read

The Case for Adding Testosterone to Your HRT.

Plus, what your hair tells you about your hormone health.

How to retrain your metabolism in weeks, not years.

Oct 21, 2025

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9 min read

How to retrain your metabolism in weeks, not years.

Plus, why your melatonin is backfiring.

Mold Is Everywhere—Here's When Exposure Actually Matters

Oct 14, 2025

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10 min read

Mold Is Everywhere—Here's When Exposure Actually Matters

Plus, the optimal eating window and broccoli for cold symptoms.

How do you actually know your heart is healthy?

Oct 7, 2025

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10 min read

How do you actually know your heart is healthy?

Plus, HRT for Alzheimer's and toxic mold.

5 Preventative Tests No One Over 30 Should Skip

Sep 30, 2025

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16 min read

5 Preventative Tests No One Over 30 Should Skip

Plus, my thoughts on Tylenol and autism.

Sep 23, 2025

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10 min read

Can you change your true age?

Plus, gel manicures and microplastics vs. mushrooms.

ChatGPT gave my patient the wrong prescription — here’s what it got right.

Sep 16, 2025

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10 min read

ChatGPT gave my patient the wrong prescription — here’s what it got right.

Plus, magnesium for hormones and 7k steps for longevity.

VO2 max: If you only track one number for healthspan, make it this one.

Sep 9, 2025

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10 min read

VO2 max: If you only track one number for healthspan, make it this one.

Plus, fiber soda and the cancer-related reason for marinating meat.

"In range" isn't optimal — The 100 essential labs women should be tracking.

Sep 2, 2025

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9 min read

"In range" isn't optimal — The 100 essential labs women should be tracking.

Plus, air purifiers and a new low for alcohol.

Robin Berzin, MD

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Ready to go deeper in your health journey?

Estrogen is the most misunderstood hormone in medicine.

Forget Weight—Muscle Is the Real Longevity Metric.

The Case for Adding Testosterone to Your HRT.

How to retrain your metabolism in weeks, not years.

Mold Is Everywhere—Here's When Exposure Actually Matters

How do you actually know your heart is healthy?

5 Preventative Tests No One Over 30 Should Skip

Can you change your true age?

ChatGPT gave my patient the wrong prescription — here’s what it got right.

VO2 max: If you only track one number for healthspan, make it this one.

"In range" isn't optimal — The 100 essential labs women should be tracking.

Robin Berzin MD

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