bbOne of the foremost researchers in human metabolism reveals surprising new science behind food and exercise.bb pWe burn 2,000 calories a day. And if we exercise and cut carbs, we'll lose more weight. Right Wrong. In this paradigm-shifting book, Herman Pontzer reveals for the first time how human metabolism really works so that we can finally manage our weight and improve our health. pPontzer's groundbreaking studies with hunter-gatherer tribes show how exercise doesn't increase our metabolism. Instead, we burn calories within a very narrow range nearly 3,000 calories per day, no matter our activity level. This was a brilliant evolutionary strategy to survive in times of famine. Now it seems to doom us to obesity. The good news is we ican ilose weight, but we need to cut calories. Refuting such weight-loss hype as paleo, keto, anti-gluten, anti-grain, and even vegan, Pontzer discusses how ialli diets succeed or fail For shedding pounds, a calorie is a calorie. pAt the same time, we mu