“The most striking finding is that the parts of the brain most affected by exercise were those engaged in cognition or thinking rather than, say, movement. The other good thing about the findings is that exercise benefited research subjects of all ages, especially those over the age of 45.” https://www.cbc.ca/radio/whitecoat/aerobic-exercise-helps-your-brain-too-says-study-1.5415935?fbclid=IwAR0SRAwBUEsCCjj-gsUETIqGcU69Fb6M6YG9U2rc40sLTmMbOZur61Xgd5Q