. Exercise boosts metabolism. Yes, you'll lose fat when you diet without exercising, but you'll also lose muscle, which means you'll burn fewer calories. The more muscle you have, the higher your metabolism and the more calories you'll torch.
. Exercise boosts metabolism.Yes, you'll lose fat when you diet without exercising, but you'll also lose muscle, which means you'll burn fewer calories. The more muscle you have, the higher your metabolism and the more calories you'll torch.