In this episode, Dr. Brendan McCarthy, Chief Medical Officer at Protea Medical Center in Tempe, Arizona, takes you deep into the science of Estrone metabolism, why it becomes dominant during perimenopause and menopause, and the exact lab tests that uncover real root causes of symptoms like weight gain, mood swings, breast tenderness, irritability, fatigue, and sleep disruption.
This is Part 4 of our Estrone Series — and today’s focus is the real, science-based pathways behind estrone dominance:
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Estrone : Estradiol ratios
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2-, 4-, and 16-hydroxyestrone pathways
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COMT function and methylation
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Liver health and detoxification capacity
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The nutrients and lifestyle factors that shift estrogen metabolism
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How to interpret patterns your regular doctor may overlook
If you’ve ever been dismissed, told your symptoms are “normal,” or felt like something is wrong that no one is addressing — this episode gives you the tools, the labs, and the language to advocate for your health.
Dr. Brendan McCarthy is the founder and Chief Medical Officer of Protea Medical Center in Arizona. With over two decades of experience, he’s helped thousands of patients navigate hormonal imbalances using bioidentical HRT, nutrition, and root-cause medicine. He’s also taught and mentored other physicians on integrative approaches to hormone therapy, weight loss, fertility, and more. If you’re ready to take your health seriously, this podcast is a great place to start.
👇 Tap Subscribe to learn more about what’s actually happening in your body, and what to do about it.
📘 Read Dr. McCarthy’s Book: Jump Off the Mood Swing – A Sane Woman’s Guide to Her Crazy Hormones https://www.amazon.com/Jump-Off-Mood-Swing-Hormones/dp/0999649604
📲 Follow Dr. McCarthy:
Instagram: @drbrendanmccarthy
TikTok: @drbrendanmccarthy
Website: www.protealife.com
💬 Got a question or topic for a future episode? Let us know in the comments!
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