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Busting 5 common myths about water and hydration : Life Kit : NPR

By Aaron Scott Twitter, Summer Thomad, Updated October 13, 20229:34 AM ET

Photo Illustration by Becky Harlan/NPR

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.