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 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 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 ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. TikTok is a fantastic ...

It's easy to get caught up in the flow of your day-to-day activities and forget to stay hydrated. Whether you are hanging out in the sun or just keeping busy, it's crucial to drink water every day.

It’s a message that’s been drummed into us since childhood. Drink water, especially when it’s hot, otherwise you’ll get dehydrated. But how do you know if you’re dehydrated? Who’s more at risk? And ...

Hypertonic dehydration occurs when there’s an imbalance of water and salt in your body. Losing too much water while keeping too much salt in the fluid outside your cells causes hypertonic dehydration.

Staying hydrated helps flush toxins from the body. This can reduce inflammation and decrease friction between bones. When a person becomes dehydrated, inflammation and friction may increase discomfort ...

For a long time people have been told that caffeine is a diuretic. For some, this translates into advice to avoid or remove caffeinated beverages from the diet of people at risk of dehydration, or ...