When I was a kid, somebody told me that there was formic acid (which is called "antz acid" in german)in mentos.
Thenceforwards i really believed that mentos is made out of squashed antz.
So i avoided eating it.
A childhood belief about sweeties

others believed things like this
- When I was a kid I heard that the Beatles did acid and I wondered if they melted from it.Anon
- i used to think tha if you went outside when it was acid raining the rain would burn holes in your skin— fear of rain
- I used to think that if someone gave you acid, you could completely counter the effects by taking an antacid.— abracadaver
- My older brother once told me that Aussie shampoo was made from kangaroo pee. I avoided using it for years!— Annie
- I thought a "cold sore" on your mouth was the same thing as "coleslaw" and so avoided eating it for years.— Helen (UK)
- My friend believed that eating bread crusts or eating mustard will give you curly hair.— Linda from Southern California