May28
The Real Reason You Can’t Lose Weight (it’s not what you think) with Dr. Mark Hyman
We’ve been told weight loss is simple: “Eat less and move more.”
And if you can’t… it must be a willpower problem.
But Dr. Mark Hyman says this story doesn’t match what we’re seeing in real life… or what the science actually shows.
In this episode of the ReThink Health Podcast, I sit down with Dr. Hyman to unpack the real drivers behind stubborn weight gain (and why so many people feel like their body is working against them).
We talk about how today’s food environment is built around ultra-processed, hyper-palatable ingredients that don’t just add calories; they change your biology, disrupt appetite signals, and push the body toward insulin resistance and fat storage.
You’ll also hear Dr. Hyman’s grounded take on the “fat vs. carbs” debate, why food quality matters more than diet labels, and what simple shifts actually move the needle — without shame, extremes, or perfectionism.
You’ll learn:
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Why “calories in, calories out” doesn’t explain stubborn weight gain
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How ultra-processed foods can hijack hunger, energy, and cravings
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The #1 dietary driver behind metabolic dysfunction (and why bread isn’t “better” than sugar)
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Why vilifying fat backfired — and what matters most instead
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How insulin resistance can make you hungrier and less motivated to move
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Why meat isn’t the villain… but quality absolutely matters
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The “Goldilocks” approach to longevity: mTOR, autophagy, and realistic fasting windows
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What Dr. Hyman considers the most impactful rule of thumb for eating well
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Why personal responsibility alone is a broken framework in a highly addictive food environment
If you’ve ever felt like you’re “doing everything right” and still not losing weight, this conversation will help you understand what’s really going on… and give you a way forward that feels sane, practical, and empowering.
Watch the full conversation on YouTube.
Prefer audio? Listen below or on Spotify & Apple iTunes Podcasts.
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About Dr. Hyman
Mark Hyman, MD is a practicing physician and a leading voice in functional medicine. He is a New York Times bestselling author and an advocate for food-as-medicine approaches that address the root causes of chronic disease. Dr. Hyman focuses on how modern diets and food systems shape metabolism, inflammation, brain health, and long-term wellness — and how simple, evidence-informed shifts in food quality can create profound changes in health.
Thanks so much for spending time with us this week! Have a question or feedback? Email us at [email protected]—we would genuinely love to hear from you.
For more in depth conversations and practical guidance, be sure to subscribe to Dr. Autumn Smith’s YouTube channel, where new videos drop regularly to help you rethink health and nutrition in a clear, manageble way.
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