Spring is in the air, but that's not stopping fitness enthusiasts from wanting to crank up the heat — at least in the studio.

This process, known as exercise adaptation, makes us more athletic and fit. But, even more important, it can “contribute toward the delayed onset of age-related disease,” according to a comprehensive ...

Group activities and mid-workday workouts are defining how young people work out. With the hype of New Year's resolutions far behind us, you've likely settled into a fitness and wellness routine ...

“Heated workouts add intensity, but turning up the thermostat doesn’t automatically turn up your fitness gains — sweat smartly, not just profusely,” King said. You might also get a small ...