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  • 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

  • VO₂ max: If you only track one number for healthspan, make it this one
    Longevity & Metabolic Health

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

    Blood Sugar & Metabolism, Exercise, Lab Testing, Longevity
    Robin Berzin MD
    September 9, 2025

    VO₂ max—the maximum amount of oxygen your body can use during exercise—is one of the strongest predictors of how long (and well) you’ll live. Read more

  • ChatGPT gave my patient the wrong prescription—here’s what it got right.
    Longevity & Metabolic Health

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

    Lab Testing, Longevity, Personal Story
    Robin Berzin MD
    September 16, 2025

    AI is going to transform medicine. So let’s talk about how to actually use ChatGPT for health and what to avoid. Read more

  • Chronological vs. Biological Age: Which One Really Matters?
    Longevity & Metabolic Health

    Chronological vs. Biological Age: Which One Really Matters?

    Exercise, Lab Testing, Longevity, Supplements
    Robin Berzin MD
    September 23, 2025

    Biological age predicts disease risk, functional health, and even mortality better than your chronological age. Here’s how to lower yours. Read more

  • 5 Preventative Tests No One Over 30 Should Skip
    Longevity & Metabolic Health

    5 Preventative Tests No One Over 30 Should Skip

    Lab Testing, Longevity, Personal Story
    Robin Berzin MD
    September 30, 2025

    If the system isn’t coming to save us — and it’s not — you have two choices: be the worried well, or be the worried sick. Here’s why I chose proactive a Read more

  • How Do You Actually Know Your Heart Is Healthy?
    Longevity & Metabolic Health

    How Do You Actually Know Your Heart Is Healthy?

    Blood Sugar & Metabolism, Exercise, Lab Testing, Longevity
    Robin Berzin MD
    October 7, 2025

    Let’s stop waiting to measure heart health until there’s already damage 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

  • What a CGM Can Tell You About Your Aging Velocity
    Longevity & Metabolic Health

    What a CGM Can Tell You About Your Aging Velocity

    Blood Sugar & Metabolism, Lab Testing, Longevity
    Robin Berzin MD
    November 25, 2025

    Energy, bloating, brain fog and weight gain are all tied to blood sugar. So is aging velocity. A CGM can help you optimize your longevity. Read more

  • Before You Set Any 2026 Health Goals, Read This
    Longevity & Metabolic Health

    Before You Set Any 2026 Health Goals, Read This

    Lab Testing, Longevity, Personal Story
    Robin Berzin MD
    December 23, 2025

    If there’s one thing I’ve doubled down on this year, it’s that health is a practice. Here’s how that’s shaping my health goals for 2026. 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

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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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