Hunger games

Humans burn about 2000-3000 calories a day, no matter how much exercise they do. Herman Pontzer, an associate professor of evolutionary anthropology at Duke University, North Carolina, published these findings in his recent book, Burn, after delving into the lives of hunter-gatherer tribes in East Africa and exploring why they don’t burn more calories than sedentary office workers in New York.

Over a decade, Pontzer and colleagues discovered that exercise doesn’t increase our metabolism. The majority of calories