Busting 5 common myths about water and hydration
Drink eight glasses of water a day. Coffee will make you dehydrated. Drinking extra water can help you lose weight. You've probably heard these claims about water and hydration before. But are they true? To set the record straight, Life Kit talks to Tamara Hew-Butler, associate professor of exercise and sports science at Wayne State University; Mindy Millard-Stafford, director of the Exercise Physiology Laboratory at Georgia Tech; and Yuki Oka, a professor of biology at Caltech who specializes in thirst. They explain the science of hydration and bust 5 common myths about water. Myth #1: You need to drink at least eight glasses of water a day. Is the advice of drinking eight, 8-ounce glasses of water a day to stay hydrated true? Researchers in 2002 tried to pin down studies that might support the claim by looking through multiple scientific databases — but were unable to find rigorous evidence behind it. What we do know, says Hew-Butler, is that water is essential for our bod...