I remember being told that if I swallowed my gum it would all stay inside of me because it took 7 years to digest.
Well, when I was 9 I looked in the toilet, and there was a giant pink wad of gum in my... uh... So, that was the end of that myth. It might not digest, but it doesn't stay in you.
Yeah, yeah. TMI, but what can ya do?