My boyfriends granmother told him when he was a young boy that if he swallowed chewing gum it would go into his 'bits bag' (located somewhere near your heart) When your 'bits bag' is full, you die.
My boyfriend is now 27, he made me promise him that i would not swallow my chewing gum, because he is scaried i will die.
A childhood belief about chewing gum

others believed things like this
- I used to believe that if I swallowed chewing gum, it would wrap around my heart and strangle me— "Tusitala"
- my mom made me believe that if i swallowed my chewing gum, it would form one big wad in my stomach.— mimi
- My grandpa told me when I was little that if you swallow chewing gum your butt will be sticky— Lili
- when I was seven my brother told me that if I swallowed chewing gum my arm would drop off.— john
- My Mum told me that if you swallowed chewing gum, your bones would stick together inside you.— Pauliboy
- my mother told me if i ever swallowed chewing gum i'd turn into a pig, i believed this for many years.— stuart hayward