I am 20 years old and I just learned this morning that if you swallow gum, it doesn't really stay in your stomach for seven years.
A childhood belief about chewing gum

others believed things like this
- my mom told my sister and I that if you swallow gum, it won't leave ur stomach for 7 years.— Victoria
- dont swallow gum, it will stick to your stomach , your whole life.— nancy
- I used to believe that i couldn't swallow bubble gum because it would stick to my stomach— Nathalia
- My dad always told me never to swallow the pips from apples because trees would start growing in my stomach!!— ALISON W
- I believed the urban legend that gum stayed in your stomach for 7 years if you swallowed it.— Lindsay
- For years and years I believed that tuna must be really little fish because they came in such small cans!!— Gisela