Calories do count, but not all foods produce the same hormonal and metabolic effects. The strict calories in, calories out folks would have us believe that 2,000 calories of sugar are metabolically equivalent to 2,000 calories of pork loin, broccoli or sweet potato. Intuitively, this should smell as bad as products from Fukushima Fish Farms, Inc., but we do not need to rely on intuition—science shows this overly simplistic view, that ‘it’s just about calories’ is simply not true.