A South Carolina gym enthusiast says her arms “exploded” after she attempted to do a vigorous fitness challenge — which she says caused a life-threatening condition. Jessica Johnson, 25, had been ...

I’ll be honest. I’m a little obsessed with Peloton. Do I feel like I know the instructors personally? Yes. Are they talking directly to me when they say 'don't drop the weights?' Of course! Do I love ...

First, there was Tebowing. Then, we planked. After that came the Harlem Shake, and for about two weeks, nothing was the same. Anything could happen at any time, and our videos on social media were ...