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  • Why everyone 30+ needs a DEXA scan
    Women’s Health & Hormones

    Why everyone 30+ needs a DEXA scan

    Hormones, Lab Testing, Longevity, Women’s Health
    Robin Berzin MD
    July 15, 2025

    1 in 4 women 35-50 have osteopenia. If you’re over 30 you should be getting a DEXA scan with full body comp every 1-2 years. Here’s why. Read more

  • Your bone density blueprint
    Women’s Health & Hormones

    Your bone density blueprint

    Hormones, Lab Testing, Supplements, Women’s Health
    Robin Berzin MD
    July 22, 2025

    The official guidelines on bone health are bananas to me. Women lose 10-20% of their total bone mass in their 40s and 50s. So the fact that most guideli Read more

  • Is it worth $2,500 to catch disease before it starts?
    Longevity & Metabolic Health

    Is it worth $2,500 to catch disease before it starts?

    Lab Testing, Longevity, Women’s Health
    Robin Berzin MD
    July 29, 2025

    My MRI found a kidney tumor. Here’s what I’m doing next and what I recommend for you to get the most out of your health data. Read more

  • My inside/outside skincare protocol
    Women’s Health & Hormones

    My inside/outside skincare protocol

    Personal Story, Skin & Beauty, Supplements, Women’s Health
    Robin Berzin MD
    August 5, 2025

    We tend to think of aging skin as surface-level. It’s not. Here’s the inside-meets-outside skincare protocol that changed my face. Read more

  • 100 Essential Labs Every Woman Should Be Tracking
    Women’s Health & Hormones

    100 Essential Labs Every Woman Should Be Tracking

    Hormones, Lab Testing, Longevity, Women’s Health
    Robin Berzin MD
    September 2, 2025

    Most standard longevity labs test just 19 biomarkers. To understand women’s health and longevity, we need more—100+. Read more

  • Testosterone Therapy Is Trending—But Is It Right For You?
    Women’s Health & Hormones

    Testosterone Therapy Is Trending—But Is It Right For You?

    Hormones, Lab Testing, Longevity, Women’s Health
    Robin Berzin MD
    October 28, 2025

    Most women benefit from testosterone therapy as part of a thoughtful HRT plan. It benefits mood, libido, energy, muscle, and bone health. Read more

  • Forget Weight—Muscle Mass Is the Real Longevity Metric.
    Longevity & Metabolic Health

    Forget Weight—Muscle Mass Is the Real Longevity Metric.

    Blood Sugar & Metabolism, Exercise, Longevity, Women’s Health
    Robin Berzin MD
    November 4, 2025

    We’ve all been trained to chase a lower number on the scale. The truth? Weight is the wrong metric for healthy aging. Build muscle mass. Read more

  • The Cortisol Reset Every Woman Needs
    Women’s Health & Hormones

    The Cortisol Reset Every Woman Needs

    Hormones, Mental Health, Women’s Health
    Robin Berzin MD
    December 9, 2025

    The goal is to cultivate a healthy cortisol reset rhythm—high when you need it, low when you don’t.The problem is chronic cortisol. Read more

  • Fertility Over 35: 8 Evidence-Backed Levers
    Fertility & Parenting

    Fertility Over 35: 8 Evidence-Backed Levers

    Blood Sugar & Metabolism, Hormones, Lab Testing, Women’s Health
    Robin Berzin MD
    January 29, 2026

    I’ve identified 8 evidence-backed fertility levers for women over 35 — blood sugar, thyroid, stress, autoimmunity, toxins, and more — that most OBs never Read more

  • Why GLP-1s Underperform Without Estrogen
    Women’s Health & Hormones

    Why GLP-1s Underperform Without Estrogen

    Blood Sugar & Metabolism, Hormones, Supplements, Women’s Health
    Robin Berzin MD
    February 26, 2026

    I had a patient gain 50 lbs in 6 months. GLP-1 alone did nothing. Adding HRT changed everything. Here’s the science behind why estrogen makes GLP-1s work. Read more

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Robin Berzin MD

Robin Berzin MD is the founder of Parsley Health and your guide on the journey to being well.

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