"The American diet is slowly killing us.  Red meat contribute to heart disease.  Soft drinks corrode our stomach lining.  Chineese food is loaded with MSG.  There are germs in our drinking water.  But there is one thing that is most dangerous of all, and we all have, or will, eat it.  Would anyone care to guess what food causes the most grief and suffering for years after eating it?"

  One man in the front row nodding knowingly.  "Yes?" the professor asked, prompting the man to speak aloud.

                            "Wedding cake."