Nowhere to run: did my fitness addiction make me ill?

The GuardianNowhere to run: did my fitness addiction make me ill?The GuardianFitness is visceral, earthy, real, sweaty – and new. The problem with core stability is that you don't move much. You get on a foam roller, and then you get off the foam roller. You stand on wobbly discs and throw things. My Fitbit, a fancy electronic ...