When I was younger, my best friend told me that the reason why Arnold Schwarzenegger had such big muscle was because he had a rare disease. This disease made the fat on his body grow under his muscles making his muscle big. The false fact went unchecked untill last year, I was like "Dude you lied to me"...lol...kids!
A childhood belief about appearance

others believed things like this
- I used to believe that all old people got the disease "OLD TIMERS DISEASE" Instead of alzheimers disease :D— MollyJohnson
- I used to think that Alzheimers disease was called Old Timers Disease.— Justin
- That Alzheimer's Disease was Old Timer's Disease.— Todd K
- When I was 10, I thought that nausea was called Lack-O-Candy Disease. My mom made it up— Teddybearhaha
- I used to believe that "Swarfega" was a disease.— Alan Brindley
- I used to believe that Marijuana was a disease you got from smoking.— LMH