Body water represents 76% of a human’s muscle mass. With aging, there is a progressive decline in total body water (TBW) – the result of sarcopenia, the aging loss of muscle, and the associated dynapenia, the aging loss of strength, without the intervention of resistance training and increased protein intake – from 0.8 grams per kilogram (Kg) to 1.2 grams per Kg in a non-athletic population. The result of sarcopenia is the loss of intracellular water (ICW).In addition, the elderly is at incre...