The quick summary is this, ???Exercise is ???Miracle Gro??? for the brain.??? I told our entering students at our opening convocation, ???whether you are interested in Aqua Aerobics or Zumba, Fitness Walking or Yoga, Tennis or Tai Chi, there is an activity that you can get involved in, and you should ??? not just because it will reduce your risk of diabetes or heart disease or breast cancer, or li