Water is your body's best friend. One of waters functions is to aid in your bodily functions. It helps with your metabolism and turns your food into energy. Digestion is the first step. Adequate water is important to maintain both good metabolism and digestion. The health benefit of water is better utilization of the nutrients you consume and turn it into energy. Water transports nutrients, hormones, oxygen and antibodies through the lymphatic system and blood stream. It also helps carry out waste and things your body doesn't need. Water helps keep your joints lubricated and helps your discs stay thick and cushions all the vertebrae of your spine. With this in mind you should always strive to drink plenty of water each day. Drinking 8 glasses of water a day is an important habit to get into.