Can You Feel Your Brain Shrinking?

"THE brain shrinks faster if it is not stimulated, Australian researchers say.

Brain scans have revealed that people who do not engage in complex mental activity over their lifetime have twice the shrinkage in a key part of the brain in old age."

http://www.news.com.au/heraldsun/story/0,21985,24016992-5005961,00.html

For many years now, if I was around something/one particularly stupid, I would say, "I can feel my brain shrinking!"

Now I have proof!