The Obesity Code: Unlocking the Secrets of Weight Loss (Why Intermittent Fasting Is the Key to Controlling Your Weight)

by Jason Fung

And reducing caloric intake proved useless. In a fascinating 1993 study,8 high-dose insulin allowed virtual normalization of blood sugars in a group of type 2 diabetic patients. Starting from zero, the dose was increased to an average of 100 units per day over a period of six months. At the same time, patients decreased their caloric intake by more than 300 calories per day. The patients’ blood sugar levels were great. But what happened to their weight? It increased by an average of 19 pounds (8.7 kilograms)! Despite eating less than ever, patients gained weight like crazy. It wasn’t calories that drove their weight gain. It was insulin.