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How Much Water Do You Need?

As the Mayo Clinic notes, the National Academies of Sciences, Engineering, and Medicine recommends that men consume 3.7 liters (15.5 cups) and women get 2.7 liters (11.5 cups) of fluids per day, which can come from water, beverages in general, and food (such as fruits and vegetables). You can also try the Urine Color Test, courtesy of the U.S. Army Public Health Command, to evaluate how you’re doing on drinking up. After going to the bathroom, look at the color of your urine. If it is very pale yellow to light yellow, you’re well hydrated. Darker yellow is a sign of dehydration. Brown or cola-colored urine is a medical emergency, and you should seek medical attention.
Additional reporting by Jen Laskey.