TIL That evidence suggests, that joining social clubs (i.e. bookclubs, church group, tennis clubs) can lead to a longer post retirement life span. User BigLimpin, in the Today I Learned (TIL) subreddit, 20 May 2017
Being in a book group or bridge club could boost health as much as exercise past the age of 60 User aurametrix, in the Reddit Science subreddit, 21 Feb 2016