What does running do to your brain?

Neuroscientists have studied treadmill runners, ultramarathon athletes – and a number of lab animals – to investigate the effects of running on grey matterIt may seem obvious – as you push on through a long run, veering wildly between sensations of agony and elation – that running can have a huge effect on your state of mind. It is an intuitive idea that a growing number of neuroscientists have begun to take seriously, and in recent years they have started to show us what