Forget the outdated \"eight glasses a day\" rule. Hydration needs vary based on age, activity level, and environment.

Alcohol, sugary beverages, and caffeine can be dehydrating, according to the Cleveland Clinic. Drinking a glass of water for every alcoholic beverage can help you avoid dehydration in some instances, ...

Find out how much water you really need for exercise, plus practical tips to avoid dehydration during your workouts and ...

Humans can survive about three to five days without water, depending on factors like health status and physical activity ...

With another hot Texas summer underway, the threat of dehydration always looms. Though this condition can range from ...

A new wearable sensor tells people when they need a drink to avoid becoming dehydrated. "The Late Show with Stephen Colbert," ...