A friend of mine swears that he thought that the sign on cigarette machines reading "No sales to minors" was there because people who work in a mine weren't allowed to smoke, because all the gas down in the mines would blow up.
A childhood belief about smoking

others believed things like this
- My friend's sister believed the lyrics to Gazza's "Fog on the Tyne" were "Fog on the dinasaurs mine all mine"— Suzanne
- I used to think that clouds were caused by cigarette smoke— Monkey Dave
- I used to think a mustache grew out of your nose hairs. I tried to let mine grow, but it didn't work. — Barry
- A friend of mine thought that some olives grew with red edible pits (pimentos).— HA
- A friend on mine thought that smoking menthal cigarettes would make his breath minty fresh.Anon
- A friend of mine seemed to think that 100 pence was worth £6.— Richard Davies