I used to think that people who live on the Tropic of Cancer were more likely to get the disease cancer. Because of this, I assumed that there was also a disease called "capricorn" because of the Tropic of Capricorn
A childhood belief about places

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
- when i was little i thought people with big heads or big noses had cancer...Anon
- I used to believe that "Swarfega" was a disease.— Alan Brindley