You have likely encountered the hardcore self-improvement-program-turned-social-media-trend, the 75 Hard Challenge. Created ...

He was overwhelmed with grief after the death of his 24-year-old younger brother last year. During that stressful period, Walls noticed he started gaining weight and wanted to make a lifestyle change.

I'm a Fitness & Nutrition writer for CNET who enjoys reviewing the latest fitness gadgets, testing out activewear and sneakers, as well as debunking wellness myths. On my spare time I enjoy ...