A very interesting article ran in the Parade section of the ProJo on 2/18/09. According to the article, research suggests regular aerobic exercise may delay or reverse age related brain decline, such as that seen in Alzheimer’s desease and dementia. The studies are found in the British Journal of Sports Medicine.
So, in addition to the multitude of benefits to doing your cardio, you can add a sharper brain to the list. Keep moving!