Perhaps Feltham was simply one of those genetic-lottery people who are able to eat anything and not gain weight. So, in the next experiment, Feltham abandoned the low-carb, high-fat diet. Instead, for twenty-one days, he ate 5793 calories per day of a standard American diet with lots of highly processed “fake” foods. The macronutrient breakdown of his new diet was 64 percent carbs, 22 percent fat and 14 percent protein—remarkably similar to the U.S. Dietary Guidelines. This time, the weight gain almost exactly mirrors that predicted by the calorie formula—15.6 pounds (7.1 kilograms). His waist
...more
