Most Replayed Moment: Insulin Is The Reason You're Gaining Fat! How To Lower It Now
Apr 17, 2026 · 29m
Summary
Dr. Jason Fung explains how frequent eating causes insulin resistance and visceral fat, leading to metabolic disease. He advocates for fasting over calorie restriction to lower insulin, burn toxic fat, and trigger autophagy and stem cell production. The discussion covers specific fasting protocols, the benefits of ketosis, and optimal exercise strategies like HIIT for heart health and longevity.
Topics discussed
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Glucose, insulin, and the mechanism of insulin resistance
Visceral fat, ectopic fat, and early disease markers
Fasting vs. calorie restriction and visceral fat loss
Fasting protocols, gender differences, and case studies
Ketones, BDNF, and the benefits of ketosis
Stem cells, immunity, and growth hormone during fasting
Women's physiology and exercise while fasting
Cycling ketosis and autophagy for cellular repair
Optimal exercise for heart health: HIIT vs. aerobic
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