to exercise our brains. The more challanging the better, but the problem with most of them is that your body doesn't get much exercise, What we need is a good "two for one" program where your mind and body get a workout. Who wants to have all their marbles shiny and poised to solve the problems of the world if you can't even get to the bathroom by themselves any more? "Use it or lose it" applys to both the cerebral and the packaging it comes in. Scrabble anyone? Maybe we can attach something to our treadmill so we can work everything at once.