My mother worked in a drug rehab facility when I was young. I fully believed that instead of marischino cherries, the name was marijuana cherries and no one bothered to correct me until much later in life because my parents thought it was hilarious.
A childhood belief about drugs

others believed things like this
- i used to believe (untill about a yr ago actually) that glacial cherries were made out of seaweed.— lewis rob
- My auntie was told by her husband that glacia cherries were made of seaweed, she wouldnt eat them for years. — emma
- I thought cocaine and marijuana were the same thing.Anon
- For whatever reason, I thought that grass was slang for tobacco rather than marijuana.Anon
- I used to think that LSD was a form of marijuana.— Shirley B.
- I used to believe that Marijuana was a disease you got from smoking.— LMH