The human body contains around 60% water, which plays a key role in all aspects of life. Yet, many people worry about water weight. This especially applies to professional athletes and bodybuilders who wish to meet a weight category or improve their appearance. This article is for healthy people and athletes who wish to reduce their water weight. If you have a serious edema — swelling of your feet or arms — consult your doctor. Here are 13 ways to reduce excess water weight fast..