Being a Lifelong Bookworm May Keep You Sharp in Old Age - Smithsonian

via brain teasers - Google News http://news.google.com/news/url?sa=t&fd=R&usg=AFQjCNH_s2iMsTigHcGep0aILCxjyNCJgg&url=http://blogs.smithsonianmag.com/science/2013/07/being-a-lifelong-bookworm-may-keep-you-sharp-in-old-age/