Yes, it does. That is why, on extreme diets, it is important to exercise. But why go extreme? A well-chosen vegan diet (which can supply plenty of protein) is not extreme. My previous weight loss answer is based on this. read more
Muscle atrophy. Muscle atrophy is defined as a decrease in the mass of the muscle; it can be a partial or complete wasting away of muscle, and is most commonly experienced when persons suffer temporary disabling circumstances such as being restricted in movement and/or confined to bed as when hospitalized. read more