As Taylor Swift once sang, haters gonna hate, players gonna play — and sometimes you just need to “shake it off.” Sure, that may be a metaphor, but movement can improve our mood — in fact, it’s backed ...

Adjust the colors to reduce glare and give your eyes a break. Use one of the services below to sign in to PBS: You've just tried to add this video to My List. But first, we need you to sign in to PBS ...