In case you need another piece of inspiration to lace up those shoes today... exercise not only prevents strokes, but can also stimulate executive function after one Exercise and executive function in individuals with chronic stroke: a pilot study. Kluding, PM., Tseng, BY., Billinger, SA. Department of Physical Therapy and Rehabilitation Science, University of Kansas Medical Center, Kansas City. Journal of Neurological Physical Therapy. 2011 Mar;35(1):11-7. . Think what it can do for you now.