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  • How to Slow Brain Aging Starting in Your 40s
    Brain, Mood & Nervous System

    How to Slow Brain Aging Starting in Your 40s

    Brain Health, Hormones, Lab Testing, Longevity
    Robin Berzin MD
    November 20, 2025

    Your brain shrinks 5% per decade starting at 40. Here’s my 6-step protocol — labs, exercise, HRT, supplements — to slow cognitive aging before symptoms ev Read more

  • Women’s Health & Hormones

    It’s raining men(opause)

    Hormones, Longevity, Personal Story, Women’s Health
    Robin Berzin MD
    February 23, 2024

    Hi everyone, Menopause is a hot topic lately, with Oprah hosting town halls with celebrities on the topic in addition to a slew of new menopause startups h Read more

  • Women’s Health & Hormones

    How to achieve optimal hormone balance, regardless of age

    Hormones, Lab Testing, Longevity, Women’s Health
    David
    March 6, 2024

    A lot of you reached out and asked questions like, “Ok, HRT sounds promising, but what if I want to maximize my own hormones? Is there anything I can do to Read more

  • Longevity & Metabolic Health

    My personal lab test results—and what I’m doing about it…

    Hormones, Lab Testing, Longevity, Personal Story
    Robin Berzin MD
    April 3, 2024

    Back in January I shared the list of blood tests I’d be running on myself to support my prevention and longevity goals. Then I got sidetracked with topics Read more

  • Brain, Mood & Nervous System

    How to balance cortisol levels to increase energy and lose weight

    Blood Sugar & Metabolism, Hormones, Mental Health, Sleep
    Robin Berzin MD
    May 29, 2024

    Treating patients’ health issues from weight gain to infertility often includes a plan to balance cortisol levels. Here’s what you can do. Read more

  • Women’s Health & Hormones

    What is your vaginal microbiome telling you?

    Gut Health, Hormones, Women’s Health
    Robin Berzin MD
    September 18, 2024

    The vaginal microbiome is a dynamic ecosystem and a key driver of gynecological, urogenital, and reproductive health. Read more

  • Brain, Mood & Nervous System

    How to reduce stress in 15-minutes

    Brain Health, Hormones, Mental Health, Sleep
    Robin Berzin MD
    November 6, 2024

    Chronic stress increases risk of diabetes, cardiovascular disease, and Alzheimer’s. But too often we brush it off. Here’s how to reduce stress. Read more

  • 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

  • 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

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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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