When I was 5 or 6, I found a syringe somewhere(in our garden I think), and my mom told me not to touch them, because they could be dangerous. Not knowing what drugs were, I thought they contained medicine, and medicine was deadly for us if we weren't sick.
A childhood belief about drugs

others believed things like this
- I thought Tic-Tacs were medicine until I was 11 years old.Anon
- I thought Viagra was an allergy medicine for a really long time.Anon
- I used to honestly think that Smarties were medicine.Anon
- I used to think that when doctors didn't want to prescribe you medicine, they'd give you a gazebo.— JD
- I believed Dr. Pepper was pepper-flavored medicine and was afraid to drink it.Anon
- I used to believe that the bubble gum medicine was really made of bubble gum. i believed this until i was 16.— Shawn