“It can decide, instantaneously, whether it thinks you’ll reach something in time or if the outcome ... It’s often said that heroes run towards danger, not away from it.

Rather than trying to run away, notice what is happening for you.” O’Byrne explains that ... and that it will pass,” she says. “With time, patience, practice and lots of self-compassion ...

But every time you lace up, it increases the levels of the stress hormone, cortisol, in your body. Why? “The body doesn’t know if you’re running away from danger or if you’re running for ...