Note that (at least the summary indicates) this experiment refutes "calories in calories out" theory - food composition affects thermogenesis. (I am not talking about the tautological and useless thermodynamic sense in which it definitely is true; I am talking about the "measure your intake and exercise" crowd)
"Calories in, calories out" is both true (in the thermodynamic sense) and accurate enough to be useful (in a practical sense). I've personally performed the experiment, using MyFitnessPal and a $14 digital scale, and it turns out that I can control my weight to within a few pounds. There are a few caveats: - Yes, your diet composition does have metabolic effects. Protein, sugar and fat all follow different metabolic…
The failure rate is something like 98%