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 ...

Skin pinch test offers a quick clue to hydration, but age and other factors limit accuracy, always confirm with other signs or medical advice ...

With millions in the U.S. under heat advisories, and as extreme heat continues to claim more lives, it's more important than ever to stay hydrated. In high temperatures, it's easy to get dehydrated, ...