When I was little, my mom used to tell us that if you ate too much sugar, you will get worms in your heiney.
A childhood belief about dangerous food

others believed things like this
- adding too much sugar to foods would give you "sugar worms"...
Anon - My mum told me that if I ate sugar from the sugar bowl I'd get worms.— QueenB
- I use to believe that if I ate to much sugar just by itself, it would become worms inside my stomach.Anon
- I used to think that if I ate sugar out of the sugarbowl I would get worms in my stomach.— Arc
- My mom told me that if I ate raw hotdogs or spoonfuls of sugar, I'd get worms. I believed her until I was 13.— seale
- I thought that a "sugar daddy" was a father who let his kids eat all the sugar they wanted.Anon