How to be a superager

http://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&region=opinion-c-col-right-region&WT.nav=opinion-c-col-right-region&_r=0

Your brain has to work hard.