Science Of Ultra Herman Pontzer PhD - Burn
Mar 3, 2021
Herman Pontzer, an Associate Professor at Duke University and author of "Burn: The New Science of Human Metabolism," shares groundbreaking insights into human metabolism. He debunks myths about energy expenditure and discusses how our evolutionary past shapes modern health. Key topics include the limits of exercise and metabolism, the impact of social dynamics on metabolic health, and the biological complexities of weight loss. His research challenges conventional beliefs, paving the way for a deeper understanding of energy balance in contemporary life.
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Constrained Energy
- Constrained energy expenditure means daily calorie burning is regulated like body temperature.
- Your body adjusts to increased activity to keep energy expenditure within a narrow range.
Runner Example
- A new runner, running 42-49 miles per week, may initially lose weight.
- After about five months, their daily calorie expenditure will return to pre-running levels.
600 Calorie Limit
- The body can compensate for increased activity by roughly 600 calories/day.
- This limit was observed in both population studies and a trans-America running race.
