I did post a study Andy... RTFpost... a study on longevity after retirement vs. the other non-flying part of the white male population. Yet you forget and purposely avoid that part of my retort.
No, I merely stated that I failed to see any relevence to the topic of this thread.
In the newspaper article, you had cited crystallized intelligence; I had stated that it is likely less important than fluid intelligence for a pilot. Here's a good article discussing the topic: http://www.healthandage.com/html/min/afar/content/other6_1.htm
And since you like to read studies, here's one that discusses cognitive abilities as we age specifically related to pilot communications: http://www.humanfactors.uiuc.edu/Reports&PapersPDFs/JournalPubs/mormenridstitelbry03.pdf