Episode 549: Dr. Valter Longo: What 30 Years of Longevity & Fasting Study Reveals About The GLP-1 Trend

Episode 549: Dr. Valter Longo: What 30 Years of Longevity & Fasting Study Reveals About The GLP-1 Trend

April 28, 2026 · 1h 45m

About this episode

Dr. Valter Longo discusses his 30 years of research on longevity and fasting, challenging popular health trends.

GLP-1s are the fastest growing drug trend in health right now. But a 30-year fasting study says there's something every user needs to know before their next dose. Dr. Valter Longo has spent 30 years studying aging and longevity at USC, running over 40 clinical trials on what actually makes people live longer and healthier. What he found challenges almost everything the wellness industry is pushing right now, from 16-hour fasting windows to high-protein diets to GLP-1 drugs. In this episode of Habits and Hustle, Dr. Longo breaks down the science behind the Fasting Mimicking Diet (FMD), why 12 hours of fasting beats 16, and what centenarians around the world actually eat. He also shares his latest research on cancer, Alzheimer's, and why your body already has the tools to heal itself if you stop getting in its way. It's time to ask the right questions about the hottest longevity trends that are costing people more than helping them. What's Discussed: (2:01) Who is Dr. Longo and the training behind his research. (3:18) The hypothesis behind why we should be fasting differently. (5:39) What a Fasting Mimicking Diet actually contains and why. (7:27) The difference between the…

People in this episode

Host: Jen Cohen

Guest: Dr. Valter Longo

Topics covered

Keywords

Mentioned in this episode

Organizations: USC

Products: GLP-1

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