BURN: New Research Blows the Lid Off How We Really Burn Calories, Stay Healthy, and Lose Weight

This work reveals how human metabolism really works so that we can finally manage our weight and improve our health. We burn calories within a very narrow range: nearly 3,000 calories per day, no matter our activity level. At the same time, we must exercise to keep our body systems and signals functioning optimally, even if it won't make us thinner. Illus.