Water and Muscles Muscles are primarily composed of water. Therefore, it's only logical to drink lots of water if you want to have more muscle mass. Furthermore, water removes wastes from and transports nutrients to the muscle cells, decreasing recovery time. Water also ensures that a proper muscle contraction can be achieved so that the working muscle is properly exhausted. Finally, bodybuilders tend to ingest a lot of calories, supplements and proteins, really taxing their kidneys in the process.
Water takes some of the strain off the kidneys.
Dehydration causes energy generation in the brain to decrease. In fact, studies have linked depression and chronic fatigue syndrome with dehydration. To further complicate the matter, dehydration brings on stress and stress brings on dehydration. Water and Pregnancy Morning sickness is common in the first trimester of pregnancy. One reason for morning sickness is dehydration.