Burn

Archival Summary & Scope

Metabolism expert Herman Pontzer upends common beliefs about diet and exercise, revealing the true science behind weight management. Based on groundbreaking studies with hunter-gatherer tribes, Pontzer demonstrates that human metabolism maintains a remarkably constant daily calorie burn—around 3,000 calories—largely independent of physical activity. This evolutionary adaptation, while once vital for survival, explains why exercise alone doesn't lead to significant weight loss and why popular diets often fail. For effective weight loss, Pontzer asserts, calorie restriction is paramount, proving that a calorie is truly a calorie. While not a primary tool for shedding pounds, exercise remains crucial for overall health and optimal bodily function. This paradigm-shifting book offers a clear, evidence-based path to understanding our bodies and improving our health.