Good brain cell neighbours may be the secret to aging slower, here's how

Your brain cells act like a community for better or worse. Here is which neighbours will keep you young and which will make you age faster.

The key to a good neighbourhood is the people in it: it is made better by the annoyingly cheery do gooder who brings in your parcels, or worse by the grouchy neighbour who lets their dog poop outside your door.

The same is true of...