Step into the world’s leading longevity lab as Dan Buettner sits down with Dr. Valter Longo, the pioneering Director of the Longevity Institute at USC, to uncover the "best medicine" already hidden within the human body. This episode breaks down the radical science of the Fasting Mimicking Diet, a revolutionary approach that tricks your cells into a state of deep repair—shrinking and regenerating vital organs like the heart and pancreas without the extreme struggle of water-only fasting.

Discover how these ancient biological programs can actually reverse your biological age by up to two and a half years in just three months, while protecting your muscle mass far more effectively than modern weight-loss drugs. Dr. Longo challenges popular health myths, explaining why your "healthy" protein intake might be shortening your life and how even a daily apple could be contributing to hidden weight gain. From the secrets of Italian centenarians to cutting-edge clinical trials, this conversation provides a definitive roadmap for harnessing your body's natural ability to heal, rejuvenate, and fight disease from the inside out.

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In this episode of the Dan Buettner Podcast, Dan sits down with evolutionary anthropologist Dr. Michael Gurven to explore the secrets of the Tsimané, an indigenous population in the Bolivian Amazon with the lowest recorded rates of heart disease in the world.

While the modern world spends billions on anti-aging supplements and extreme fitness trends, Dr. Gurven’s decades of research reveal a different path to longevity. From the "Grandmother Effect" to the health benefits of "food pooling" and social accountability, this conversation challenges our fundamental fears about growing old. Discover why the Tsimané have nearly perfect cardiovascular systems and how their lifestyle of natural movement, carbohydrate-rich whole foods, and deep community roots offers a practical blueprint for a longer, more joyful life.

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From trauma surgeon to longevity pioneer, Dr. Darshan Shah joins Dan Buettner to reveal why modern medicine is often failing to prevent chronic disease and how you can take control of your health. Dr. Shah outlines the eight root causes of illness—ranging from metabolic dysfunction to circadian disruption—and shares the personal health crisis that led him to trade his scalpel for a mission of proactive wellness.

In this episode, you will discover the "N of 1" approach, which explains why there is no single perfect diet and how to find what works for your unique biology. Dr. Shah also identifies hidden toxins in our environment, such as "breakfast candy," that fuel the modern inflammation epidemic. Finally, the conversation provides practical biohacks to help you optimize your sleep, hormones, and cellular energy for a longer, more vibrant life.

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