Dana Brems (@footdocdana), a foot surgeon and TikToker with nearly two million followers, recently posted a video detailing a “dehydration check” tip that’s startlingly accurate. The original video, ...

A TikTok doc has revealed a simple way to check your hydration levels — and it’s totally legit. In the video, a man pinches the skin on the back of his knuckles. “Dehydration check!” he says. “Squeeze ...

Surprising factors can increase your risk of dehydration in the winter. Here’s how to spot the signs you’re dehydrated and make sure you’re getting enough H2O when it’s chilly out.

Medically reviewed by Allison Herries, RDN Key Takeaways Drink at least 16 ounces of water to help a dehydration headache.

The body's "water ecosystem" is regulated by responses to salt and water levels. [iStockphoto] Dehydration can be defined as the loss of intracellular body water. To understand the causes it's ...

Ever had one of those days when you just can’t seem to remember where you put your keys? Or maybe you’ve struggled to focus during an important meeting despite getting plenty of sleep the night before ...