One trainer shares what a simple plank challenge did for his mental and physical strength.

I love a fitness challenge. There’s just something about pushing my body that is so good for my soul. How unrelatable, you may be scoffing. But hear me out: I grew up an athlete, so that competitive ...

My editor loves a good challenge. Each week, she tasks me with eating a specific food every day for a week and reporting back on my experience (check out what happened when I ate seed oils every day, ...