> Regardless, I'm extremely skeptical. When one has a sedentary lifestyle, and turns to consistent sport activity, it's very typical to quickly lose fat and gai

> Regardless, I'm extremely skeptical. When one has a sedentary lifestyle, and turns to consistent sport activity, it's very typical to quickly lose fat and gain muscles for some time, which is in conflict with the research. I have two thoughts on this. The first one is, I see more than a few chubby-or-more professional baseball players. Second, I see a TON of professional football players, specifically lineman, lose a hundred plus pounds because they're no longer trying to stay above a weight to remain competitive. The last one I read about just changed his diet. Had no desire to lift a weight or run a sprint ever again. I don't track why people think weight loss is mostly exercise, where it is in fact almost entirely diet. This topic really makes people mad, I've never understood why. If you want to lose weight you can do so, safely, without ever exercising.