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 ...

Think a sweatier, harder workout means more fat burned? Fitness trainer Chadoy Leon busts common workout myths and reveals ...

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

While exercise itself does not cause acne, the buildup of sweat on the skin during a workout can allow bacteria to grow, which could inflame pores and cause acne. Acne that occurs due to sweat may ...

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 ...

Hydration doesn’t have to be this high-tech or complicated, but nerdy endurance athletes might find the data worth the price. Hydration doesn’t have to be this high-tech or complicated, but nerdy ...