Conversation so far:
When did Jerry lewis first fall ill?
Jerry Lewis revealed in the 2011 documentary Method to the Madness of Jerry Lewis, that he suffered his first heart attack at age 34 while filming Cinderfella in 1960.
What caused Jerry Lewis' illness?
Lewis suffered from a number of chronic health problems, related both to aging and a back injury.
How did Jerry Lewis hurt his back?
Lewis suffered from a number of chronic health problems related to a back injury sustained in a comedic pratfall.

Question: Are there any other interesting aspects about this article?
Self-contained rewrite: Are there any other interesting aspects about Jerry Lewis' illness besides suffering from a number of chronic health problems related to a back injury sustained in a comedic pratfall?