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Most Replayed Moment: Calories In, Calories Out Is A Myth! Why Most Diets Fail - Dr. Jason Fung

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Most Replayed Moment: Calories In, Calories Out Is A Myth! Why Most Diets Fail - Dr. Jason Fung

The Diary Of A CEO with Steven Bartlett

Oct 31
The Diary Of A CEO with Steven Bartlett

The Diary Of A CEO with Steven Bartlett

Oct 31
OverviewShownoteHighlightsTranscriptChaptersPins

Shownote

Dr. Jason Fung is a leading Canadian nephrologist and expert in intermittent fasting and metabolic health. Known for his pioneering work on obesity, type 2 diabetes, and fasting-based interventions, he challenges conventional dieting approaches. In today’s Moment, Dr. Fung explores the hidden causes of obesity, why traditional diets fail, and how intermittent fasting can transform metabolic health. Listen to the full episode here! Spotify: https://g2ul0.app.link/w3wZJ0WrOXb Apple: https://g2ul0.app.link/PMOxllbsOXb Watch the episodes on YouTube: ⁠https://www.youtube.com/c/%20TheDiaryOfACEO/videos⁠ Jason Fung: https://www.youtube.com/@DrJasonFung

Highlights

In this insightful discussion, Dr. Jason Fung dismantles long-held myths about weight loss and exposes the limitations of conventional dietary advice. Rather than focusing solely on willpower or calorie counting, he shifts the conversation toward biology, hormones, and the timing of eating—revealing why so many diets fail and what actually drives lasting metabolic change.
00:03
Eating fewer calories can slow metabolism and prevent fat loss
05:23
The body burns stored fat during fasting when insulin levels drop, enabling energy use beyond dietary calories.
13:34
Eating raises insulin and stores calories; fasting lowers insulin and burns calories.
17:30
After four days of fasting, basal metabolic rate increases rather than decreases.
18:21
Fasting increases metabolic rate by lowering insulin and raising cortisol and growth hormone

Chapters

Why counting calories fails in the long run
00:00
How hormones like insulin control fat burning
05:23
Is constant snacking sabotaging your metabolism?
10:40
Can fasting break the dieting paradox?
16:08
What really happens to your metabolism when you fast?
18:21

Transcript

Steven Bartlett: in part two of your book, you say the calorie deception, yeah, and you say there are five wrong assumptions about obesity and weight loss. The calories in, calories out, calorie in, calorie out are independent of each other, so won't trigg...