Interview with George A. Bray, MD, author of Effect of Dietary Protein Content on Weight Gain, Energy Expenditure, and Body Composition During Overeating: A Randomized Controlled Trial. Summary Points: 1. Excess calories are stored as fat, independent of protein. 2. Protein increases metabolic rate and lean body mass. 3. Adherence to a diet is more important than the macronutrient composition of that diet.