Normally, your body is made of about 50%-60% fluid, including water, blood, and lymphatic fluid. When your fluid levels are out of balance (too high or too low), serious health problems can happen.

All the body's fluids make up one large body fluid pool. Losses of fluid from any one source is reflected in the levels of all the body's other fluids: e.g. profuse sweating will ultimately result in ...

The average percentage of water in your body may vary depending on sex, age, and weight. That said, more than half of your body weight is composed of water starting at birth. The average percentage of ...