Exercise Makes You Smarter

You can find so many reasons to exercise. Scientists now have hard data on the changes in your brain when you exercise that shows your cognitive ability improves when you exercise. They can see immediate effects, and scientists think the research also points to long term effects if you exercise regularly.

Here is the article: http://abcnews.go.com/GMA/exercise-boost-brainpower/story?id=8840026&page=2 and the video is here: http://abcnews.go.com/GMA/exercise-boost-brainpower/story?id=8840026

The video provide more information.