A doctor was addressing a large audience. "Red meat is bad for you," he told the audience. "Soft drinks corrode your stomach lining. "Chinese food is loaded with MSG. "High fat diets are disastrous. "No one knows the long-term effect of germs in our drinking water," said the doctor. "But one food is the most dangerous of all and I bet every one of you has eaten it at least once. Can anyone tell me which food causes the most grief? An old man in the front row raised his hand and softly asked, "Is it wedding cake?"