How wise is it to challenge a professionally trained fighter? For most people, the very thought would be enough to send ...

Welcome back! For Day 4 of the challenge, let’s do a short and fun activity based around a concept called cognitive reserve.

The workout is programmed by fitness trainer Shaina Fata. You’ll do five different exercises in total, working for 40 seconds ...

If you’re not a fan of sit-ups and crunches then you can stay standing with this 10-minute, 4-move abs workout that uses a ...