Posted Apr 17 2017 10:45AM CDT
Video Posted Apr 17 2017 10:55AM CDT
Updated Apr 17 2017 12:30PM CDT
Medical researchers are finding more evidence that exercising and reducing cholesterol and high blood pressure can protect your brain or even prevent Alzheimer's or dementia. Neurologist Diana Kerwin from the O'Donnell Brain Institute at UT Southwestern is involved in a clinical trial aimed at finding out more.