We talk quite a bit with people in their 60s,70s,80s,90s….about keeping the brain sharp…….this article offers some new insights…. https://www.nytimes.com/2016/12/31/opinion/sunday/how-to-become-a-superager.html?action=click&pgtype=Homepage&clickSource=story-heading&module=opinion-c-col-right-region®ion=opinion-c-col-right-region&WT.nav=opinion-c-col-right-region&_r=0..I do agree that doing vigorous mental and physical activity is crucial, but also: milder forms of brain and physical exercise are also worthwhile….sitting on a stationary bike, going slow, is better than sitting on the couch…doing computer stuff or crosswords are better than watching mindless TV…….etc etc….
