Eh, it totally does comport with calories in, calories out. We just don't hook people up to metabolic carts in day-to-day life, but that's really the only way to measure the calories out part.

The physics of CICO are undeniable. Humans don't photosynthesize. The biology of CICO is useless.

- former fat guy. I'm deeply, personally aware of how useless CICO is as dietary advice.