Dr. Jason Fung explains how fasting can support weight loss, type 2 diabetes reversal, autophagy, and longevity while preserving muscle function.
Dr. Jason Fung explains why fasting is more than a calorie-cutting strategy. He discusses its effects on insulin, stored fat, type 2 diabetes, autophagy, and longevity, while addressing concerns about muscle loss. He also explores shorter and longer fasting approaches, fasting-mimicking diets, cancer research, and the broader role of nutrition, exercise, purpose, and social connection in healthy aging.
Dr. Jason Fung is a nephrologist, New York Times-bestselling author, and co-founder of The Fasting Method. He completed medical school at the University of Toronto and a nephrology fellowship at UCLA.
His work with patients affected by type 2 diabetes and kidney disease led him to explore the roles of insulin, nutrition, and fasting in metabolic health. He became known for educating the public about intermittent fasting and low-carbohydrate approaches to weight management and blood sugar regulation.
Dr. Fung is the author of The Obesity Code, The Diabetes Code, The PCOS Plan, The Cancer Code, and The Hunger Code. He continues to practice medicine in Toronto while helping educate patients and practitioners about fasting, obesity, diabetes, and metabolic health.