The author draws upon his theory of good calories and bad calories to address the question of why people gain weight, arguing that the nutritional science of the twentieth century has been misguided, discussing the crucial role of insulin in regulating fat tissue, and including a diet plan.

In this groundbreaking book, the result of seven years of research in every science connected with the impact of nutrition on health, award-winning science writer Gary Taubes shows us that almost everything we believe about the nature of a healthy diet is wrong. For decades we have been taught that fat is bad for us, carbohydrates better, and that the key to a healthy weight is eating less and exercising more. Yet despite this advice, we have seen

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An eye-opening investigation into the history of diabetes research and treatment by the award-winning journalist and best-selling author of Why We Get Fat • "[Gary] Taubes’s meticulous, science-based work makes him the Bryan Stevenson of nutrition, an early voice in the wilderness for an unorthodox view that is increasingly becoming accepted."—Niel Barsky, The Guardian
Before the discovery of insulin,...