Fitness

Plus, the trouble with trying to recreate Princess Diana's wardrobe.

Endorphin-boosting gadgets and sweat-friendly sets, ahead.

The proliferation of exercise is patently a good thing, but it starts to get murkier when Instagram perpetuates a fitness ideal that isn't exactly comprehensive.

I tried one and learned I'm even less flexible than I thought.

Fitness and wellness enthusiasts with large social media followings are cashing in on a trillion-dollar market.