What do Janice Joplin, Jim Morrison and Alzheimer's have in common?

      High school students in 1960 take the Project Talent test, the largest survey of American teenagers ever done; it is now being used for                      research into dementia. (American Institutes for Research)                                            

Project Talent, a test administered to half a million teens across the USA in 1960, is now being used to study the relationship between test scores at an early age, and Alzheimer's diagnosis later in life.

Janis Joplin and Jim Morrison were both participants!

Read more about it here, in an article from the Washington Post.