> Doesn't this violate calories in/calories out, or is that model only theoretical? As often understood, the latter. Two factors (there are others): metabolism

> Doesn't this violate calories in/calories out, or is that model only theoretical? As often understood, the latter. Two factors (there are others): metabolism of fat, sugar, and protein are hormonally (such as insulin) and differentially dependent, as well as the storage of excess calories.