my dad used to tell me that the meat park of a steak was poisonus for children under the age of 10 to eat and he had to eat that whilst we had to eat the less dangerous white parts i.e. the fat!
A childhood belief about dangerous food

others believed things like this
- I used to believe that Steak was actually alligator meat. Anon
- When you are very poor you "can't make end's meat." End's meat is some sort of cheap very low quality meat.— Betty
- When I was six my sister told me Meat Pies were made from mashed up rats...to this day I can't eat a Meat Pie.— Jamie
- my brother used to believe that Ground Chuck meat was actually groundhog meat. Anon
- i used to believe the white part in fish meat is because of the fish's milk— Kim
- I used to think that people who donated their kidneys were doing it for steak and kidney pie.Anon