81. Dr. Zain Kassam: How Your Gut Bacteria Control Your Brain, Weight, and Longevity
What if I told you there's an organ in your body with more cells than the Milky Way has stars—and most doctors barely think about it? In this episode of Extend, I sit down with Dr. Zain Kassam, a gastroenterologist turned microbiome researcher who's pioneering how we understand the trillions of organisms living in and…
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