Everything is hot now. The Earth, teddy coats—and, especially, our workouts. While hot yoga classes have been around for ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. So many of us have been there: striding into a group fitness studio ...

Here’s what happens to your body during a hot fitness class. By Emma Yasinski For some people, sweating through an intensely hot workout class can border on a spiritual experience. For others, a ...

Exercise can feel more difficult in the heat, but when does it become unsafe? Two experts explain how you can check your risk ...