Someone told me that Chewing Gum, if swollowed, would stay in your digestive track for up to seven years. But after asking 4 different doctors and 2 dentists I have come to the conclusion that is not true.
It is unhealthy to swollow it though.
A childhood belief about chewing gum

others believed things like this
- I was always told that if you swollowed chewing gum your Bum would stick together.— Missa
- Until I was around 8 or 9 years old, I thought dentists took your teeth out and replaced them with new teeth.— Verapamilo
- i was told when i was young that if i swollowed gum my stomach would grow teeth to chew it— gammie
- i use to think dentists were toothfairies!!!— me
- my mother told me if i ever swallowed chewing gum i'd turn into a pig, i believed this for many years.— stuart hayward
- i used to believe that if i swollowed my gum trees would grow in my stoamch:)— [%]~!$mariam~!$[%]