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 ...

This home HIIT workout gets you sweating fast with high intensity moves that boost cardio, burn calories, and improve endurance in a short time. #HIIT #HomeWorkout #Fitness #Cardio ...

If you have a “one more wear” habit, then this one's for you.

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 ...

You sweat, I sweat, everybody sweats. But everyone perspires differently — whether it’s the amount you produce or what comes out of your glands. The composition of your sweat can tell you a lot about ...

Everyone knows that sweating is the body's way of cooling you down -- when sweat reaches the surface of your skin, it evaporates, which has a cooling effect. But not many people understand exactly ...

Sweat is more than just a sign of a good workout. It holds vital information about our health, providing clues to dehydration, fatigue, blood sugar levels and even serious conditions such as cystic ...