The more you use the brain, the better, just like any muscle in the body. The brain continues to specialize, build new connections, becoming more efficient, no matter how old you get. But, if you don’t use it, you lose it.
These days you're practically a genius if you can add 2+2 without using any electrons.
So, are you telling me that sitting in front of a TV for eight hours a day being fed banal pap isn’t good for me???? You sure about that?