" A resolution of the very controversial question of the efficacy of low carbohydrate diets has great practical and theoretical significance,” wrote Donald Novin of UCLA in 1978. Because a generation of obesity authorities were determined to dismiss the practical significance of carbohydrate-restricted diets, they dismissed the potential theoretical significance at the same time. Obesity researchers today say they still have no hypothesis of weight regulation that can explain obesity and leanness, let alone account for a century of paradoxical observations. They insist that obesity is inevitably caused by overeating and thus consuming more calories than we expend, but when asked what causes someone to overeat, they have no answer. Yet the research on insulin and fat metabolism offers one, and it has for several decades. "

― Gary Taubes , Good Calories, Bad Calories: Challenging the Conventional Wisdom on Diet, Weight Control, and Disease