My mom used to tell us to eat the skins of things like apples and potatoes, because she said that's where all the vitamins are. She also always made us eat the crusts of our bread, for the same reason - it took me an embarassingly long time to figure out that scam.
A childhood belief about crusts

others believed things like this
- I used to belief that the crusts on bread had more vitamins— mims
- Eating potatoes with skins on puts hair on your chest— Muddinyori
- Bread crusts make your hair go curly— bowlax
- i used to brlieve that if you ate bread crusts your hair would go very curl and i did untill i was about 13— BubZ
- My mom had me believing that, like fruits and vegetables, the crusts of bread were the healthiest part.— StephTheGeek
- My friend believed that eating bread crusts or eating mustard will give you curly hair.— Linda from Southern California