This... doesn't seem right, but just bear with this report from Wired. It seems as though driving over speed bumps can reveal those who are enduring acute appendicitis. This was a rumored thing among medical circles based purely on anecdotal data, but now there is an empirical study by the University of Oxford and Stoke Mandeville Hospital in the UK to back it up.
"I'm not a doctor, but I play one on television." So went the script for countless television commercials of yore, featuring the stars of medical dramas capitalizing on their on-air personae to shill for pills, HMOs and what-have-you. But one television doctor didn't hesitate to jump into action when duty called – medical training be damned.