A video circulating on social media claims to show a quick and effective method for checking oneself for dehydration. The video shows two people pinching the skin around the top of a knuckle so it ...

A sweat test at Gatorade's sports science lab for elite athletes revealed I wasn't consuming enough water, electrolytes, or carbs during workouts.

You can go to bed feeling perfectly fine and still wake up after hours of unnoticed fluid loss. In hot weather, the first ...