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The Doctor's Farmacy · September 30, 2026 · 1h 29m
Nutrition Expert: This Is Why Eat Less, Exercise More Never Works
Dr. Mark Hyman sits down with cardiologist and Tufts Food is Medicine Institute director Dr. Dariush Mozaffarian to challenge the simplistic 'eat less, move more' weight-loss model. They cover how food quality, not calories, drives metabolic and hormonal responses, why GLP-1 drugs reveal the biological forces behind hunger, and what the science actually says about protein, seed oils, and ultra-processed foods. The conversation calls for a shift from individual willpower to food system reform.
This summary was generated from show notes and public descriptions, not from a full transcript review. Details may contain inaccuracies.
Preview
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Dr. Mozaffarian explains why the simple model of eating less and exercising more fails for lasting weight loss, because food quality influences hormones, metabolism, and the microbiome in ways that calorie counting cannot capture.
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Dr. Mozaffarian describes how GLP-1 drugs work by mimicking the satiety hormone, showing that strong biological forces, not willpower, drive hunger, and how ultra-processed foods can disrupt these natural appetite signals.
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