Some people chew lots of chewing gum, and then swallow what they have chewed. Swallowing gum can lead to problems, as this medical study explains: “Chewing gum bezoars of the gastrointestinal tract,” David E. Milov, Joel M. Andres, Nora A. Erhart, and David J. Bailey, Pediatrics, vol. 102, no. 2 (1998): e22-e22. The authors write: “In summary, […]