You should drink water in enough to keep the body hydrated, refreshed and healthy skin, makes you better. Drinking water help drop toxins in the body. Kidneys are vital organs for eliminating toxins from the body, the kidney filters, fluids, and toxins. It will be removed in a variety of ways, such as sweat and urine, etc. So, you should drink water to help the body get rid of toxins and wastes away, to cut down the risk of causing infections in the way. Urinary tract and kidney failure as well.