Nephrologist / Author

Dr. Jason Fung

Canadian nephrologist and world-leading expert on intermittent fasting and type 2 diabetes reversal. Author of The Obesity Code and The Complete Guide to Fasting. Argues that obesity is a hormonal, not caloric, disorder.

Known For

The Obesity CodeIntermittent fasting protocolsInsulin resistance reversal

Canon

Physical Exercise Is the Single Most Effective Lifestyle Intervention

Canon

The Hedonic Treadmill — Happiness Returns to Baseline

Canon

Focus Only on What You Can Control

Canon

Episodes

#Jason Fung: 3 Rules to Lose 50 Pounds Without Ever Counting a CalorieApr 21, 2026 #Change Your Body's Fat Loss Thermostat and Crack the Hunger CodeNov 5, 2025 #How to Fast for a Faster MetabolismAug 27, 2025 #Dr. Jason Fung: Fasting for Metabolic Health and Cancer PreventionJul 22, 2024 #Dr. Jason Fung on Fasting and the Obesity CodeNov 18, 2019