Fact checked by Jennifer Klump If you leave the gym with your face dripping in sweat and your clothes nearly soaked, you ...

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. Sweat isn’t an ...

Breathable, lightweight, sweat-wicking, stretchy fabrics with minimal seams are the way to go The post What are the best ...

Some people can exercise for hours while barely breaking a sweat while others are drenched in a pool of perspiration after only a few minutes of activity. Overactive sweat glands may seem like a sign ...

Sweating does not help people burn calories. However, it may temporarily help people lose water weight. Despite what some people think, it is not necessary to sweat during a workout to burn calories.

Know everything about workout hydration from this hydration guide, from which drink to choose to why dehydration may worsen injuries.

I used to live in Los Angeles, where I hiked up Griffith Park every morning with my dog, Ollie. Our climbs lasted, on average, about an hour and a half, and I was curious to know how much elevation I ...

Knowing your sweat rate and sodium loss during a workout can help you customize your pre- and post-run fueling, as well as what you consume on the run. But until now, that’s been a bit of a guessing ...

Can accurately analyze sweat to provide real-time hydration guidelines. Uses a non-invasive patch to adhere the sensor to your arm. Takes fitness devices to a new level. Nix has so far provided thin ...