What if curing cancer and heart disease wouldn't actually extend human lifespan by much? It sounds crazy, but this concept opens the door to my conversation with Dr. Greg Kelly, Director of Product Development at Neurohacker Collective and author of Shape Shift.  The reason is simpler than you think: most people would still die in their mid-80s from accumulated cellular damage and "dying of old age," i.e., multi-organ failure from decades of cellular aging. Dr. Kelly brings a unique perspective, having served as a Navy officer before becoming a naturopathic physician and spending two decades in the trenches of longevity research. He shares a fascinating personal story about repaying his massive sleep debt from his military years—sleeping 12 hours a night for weeks until his chronically cold hands suddenly became warm. His insights on why catching up on sleep often makes us feel more tired will completely reframe how you think about recovery. This conversation goes deep into cellular senescence ("zombie cells" that accumulate as we age), the gut microbiome's role in longevity, why melatonin supplements are often misused, and which nootropics actually work.  Dr. Kelly explains the "last straw" model of stress that will change how you view your health, and why chasing individual diseases instead of focusing on cellular aging is like rearranging deck chairs on the Titanic. This episode was initially released in July 2023

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