Biohacking News by Zestology
You've Been Fasting All Wrong (feat. Dr. Valter Longo) #594
May 5, 2025
Dr. Valter Longo, a leading expert on longevity and the creator of the Fasting-Mimicking Diet, challenges conventional fasting wisdom. He argues for 12 to 13 hours of daily fasting, warning against prolonged fasting's potential harm. The discussion reveals insights into meal timing, the therapeutic benefits of shorter fasts, and the importance of personalized nutrition. Longo also delves into the effects of coffee on fasting and advocates for a balanced approach to dietary habits, promoting health and longevity.
40:12
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Quick takeaways
- Dr. Valter Longo advocates for a 12 to 13-hour fasting window, countering the belief that longer fasts are superior for health.
- The fasting-mimicking diet shows promise in preventing diseases and may enhance traditional cancer treatments, emphasizing a more holistic approach to health.
Deep dives
Reevaluating Fasting Durations
The effectiveness of fasting durations is examined, revealing that shorter fasting periods, around 12 to 13 hours, may be more beneficial than the commonly practiced 16 to 18 hours. Dr. Walter Longo indicates that fasting for extended periods could lead to detrimental health effects, while a 12-hour fasting window is suggested to promote longevity without adhering to rigid dietary restrictions. For instance, individuals can aim to fast from 8 a.m. to 8 p.m. to balance their eating habits and health benefits. This shift in perspective challenges common beliefs within the biohacking community about longer fasting being inherently superior.
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