A doctor was addressing a large audience in Oxford:

" The material we put into our stomachs should have killed most of us sitting here, years ago.

Red meat is full of steroids and dye.
Soft drinks corrode your stomach lining.
Chinese food is loaded with MSG.
High transfat diets can be disastrous,

and none of you realises the long-term harm caused by the various germs in our drinking water.

But, there is one thing that is the most dangerous of all, and most of us have, or will eat it.

Can anyone tell me what food it is that causes the most grief and suffering for years after eating it?"

After several seconds of quiet, a 70 year old man in the front row raised his hand slowly, and softly said,

Spoiler:
"Wedding Cake."