More than half of our body is water. Our body uses water in all its cells, organs, and tissues to help regulate temperature and maintain other bodily functions. Because we lose water through breathing, sweating, and digestion, it's important to rehydrate by drinking fluids and eating foods that contain water. Your skin will look healthier and you'll have more energy when you are properly hydrated. The Mayo Clinic recently came up with a nifty formula to determine how much water we should be drinking per day: Step 1: Take your weight (in pounds) and divide it by 2.2. Step 2: [...]