I CAN make anybody fat. How? By prescribing insulin. It won’t matter that you have willpower, or that you exercise. It won’t matter what you choose to eat. You will get fat. It’s simply a matter of enough insulin and enough time. High insulin secretion has long been associated with obesity:1 obese people secrete much higher levels of insulin than do those of normal weight. Also, in lean subjects, insulin levels quickly return to baseline after a meal, but in the obese, these levels remain elevated. Insulin levels are almost 20 percent higher in obese subjects,2 and these elevated levels are
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