> healthy low calorie diet for about two weeks It's all the fructose in western diets. Tens of centuries of Europeans eating bountifully in the fall and then f

> healthy low calorie diet for about two weeks It's all the fructose in western diets. Tens of centuries of Europeans eating bountifully in the fall and then fasting through winter and spring evolved metabolic reactions that fructose means "pack on weight now because we'll be needing it"