Water is the main component of the human body. In fact, the body is composed of between 55 and 78 percent water, depending on body size. Adequate and regular water consumption has numerous health benefits. As an added plus, it has no calories, fat, carbohydrates or sugar. The amount of water you consume everyday plays an important role in maintaining a healthy body. Experts recommend drinking eight to 10 glasses of water each day to maintain good health. Furthermore, the Institute of Medicine has determined the adequate intake of total beverage per day (AI) to be about three liters or 13 cups for men and 2.2 liters or nine cups for women.