From: utzoo!watmath!decvax!harpo!eagle!mhtsa!ihnss!caf Newsgroups: net.jokes Title: science Article-I.D.: ihnss.3964 Posted: Wed Jun 30 12:22:48 1982 Received: Thu Jul 1 00:26:15 1982 Through extensive research, scientists have found the cause of diarrhea. It is hereditary, it runs in your genes.