Health and sleep trackers have been around for longer than you’d think, but they've only recently become truly worth our time ...

Rice, who ran a world record in the marathon in the 75-79 age group last year, has an incredibly high V02 max.

“Challenging your body to run at a faster pace is going to call on more muscle fibers,” says Stowe. In this case, you’re ...

Everyone is talking about biomarkers right now. Hannah Coates shares the health experts’ guide to testing yours without ...

Everyone is talking about biomarkers right now. Hannah Coates shares the health experts’ guide to testing yours without ...

Earlier this month, pop sensation Harry Styles turned heads when he showed off his physical fitness by casually running the ...

Swapping out my Apple Watch for a Garmin turned out to be the best decision I could have made for my running performance.

Nothing to trade in? Samsung's also offering $230 of instant credit and phenomenal deals on accessories when you buy the ...

The Muse S Athena has a new fNIRS sensor that can identify how much oxygen is in your brain. The more oxygen, the more effort you're making.

VO2 max is a measure of your body’s efficiency in delivering oxygen and nutrients to tissues, including your brain, explains ...

Contrary to popular belief, even if you're in great shape, you might still find yourself out of breath when going up stairs.

Low-intensity exercise is thought to be better for keeping this “stress hormone” in check. But scientists say cortisol plays ...