
Sample
It has been said that if you don’t use your brain it will go to waste. Just like a muscle it will atrophy:
The
key to keeping the brain sharp is the same as it is for any muscle in the body:
You have to use it or you’re going to lost it.
But while scientists agree that mental activity will help buff up the
brain, there is a wide variety of opinions on the best way to go about engaging
the mind (Boland,
p. 34).