Bizarre brain “shrink” seen in long-distance runners

More than a million people of nearly all ages lace up their trainers and hit the pavement in a marathon every year. And while running any distance has numerous health benefits, researchers warn that going the distance may not be so good for the brain – with the negative effects lingering for a month following a race.

Scientists at Spain’s University of the Basque Country (UPV/EHU) have identified a link between marathon running and a sharp reduction in the protective myelin that…

Click to expand…

Read more