Ever step out of an infrared sauna feeling lighter and wonder, “Did I actually burn fat, or is this just sweat?” That quick scale drop is usually water weight, but your body does spend energy during ...

Learn how to do a fabric burn test so that you can figure out the fiber content of the fabric. It’s great for that mystery ...

Most people think sleep is just downtime, but turns out your body is actually pretty busy while you’re sleeping. Your metabolism doesn’t just clock out when you fall asleep – it’s more like switching ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." After a long day, there's no better feeling than hopping into bed and going to sleep. It’s a time to rest ...

Weight lifting helps burn calories and boosts your metabolism. Combining cardio and weight lifting improves body composition and burns more calories. Increasing the weight you lift gradually will help ...

Michael Easter gets this question all the time. Here, he breaks down the formula he uses and why this number has been historically hard to calculate.

On average, a person burns 40–80 calories per hour while sleeping. Your body requires energy for all its functions, from breathing and circulating blood to digesting food and even thinking. This ...