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Water Fact: Your ideal amount of water depends on your diet, size, activity level and unique body chemistry, plus the climate where you live. "The standard amount of water is based on 1 ml per calorie burned,"says Julie Upton, MS, RD, CSSD, a sports dietitian with Appetite for Health. "If you burn 2,000 calories you need about two liters. If you burn 3,000 calories a day, you need about three liters."
Find out if you know the truth about these 17 water myths
We reveal the truth about 17 common water myths.
Myth Busters: Do You Have Your Facts About Water Straight?