That’s where a water intake calculator comes into play. These calculators use your age, height, weight, activity level, and location to determine how much water you should be drinking a day. The ...

Visit NAP.edu/10766 to get more information about this book, to buy it in print, or to download it as a free PDF. Over the course of a few hours, body water deficits can occur due to reduced intake or ...

Water supports major body functions like temperature control, saliva production, joint cushioning, digestion, and waste removal through sweat, urine, and bowel movements. Most people meet hydration ...