I don't think the metabolic impact of a starvation diet (only getting less than 1000 kcal while expending 3009 kcal, that's a 2000kcal difference!) can be compa

I don't think the metabolic impact of a starvation diet (only getting less than 1000 kcal while expending 3009 kcal, that's a 2000kcal difference!) can be compared with a normal weight loss diet, e.g. net negative of ~500kcal.