Does Chewing gum stay in you for Seven years?

Surely you were warned, most likely by your mother: You shouldn’t swallow gum, because it stays in your digestive system for seven years. But if that were true, what kind of havoc would that wreak?

Our digestive system is built to dissolve and excrete what we put in our mouths in a matter of hours, days at most, but certainly ­not years.The urban legend reference Web site put the kibosh on the rumor that gum stays in you for years, and medical science confirms the site’s conclusion. Pediatric gastroenterologist David Milov tells the magazine Scientific American that he can say “with complete certainty” that gum does not stay in you for seven years. This is due to the effectiveness of your digestive system. When you swallow food, it travels down your esophagus into your stomach. Here enzymes and acids go to work on the food, beginning the process of breaking the food down.

From the stomach, the partially digested food is moved into the intestine, where — with help from your liver and pancreas — the food is broken down into its components. These components are used to fuel the body. Those elements of food that can’t be used are sent to the colon, where they’ll be processed into waste.Generally, gum is made up of four general components, and our bodies can easily break down three of these. The gum’s flavorings, sweeteners and softeners are all no match for human digestion. It’s the gum base that sticks around. Gum base is made mostly of synthetic chemicals, and these chemicals give gum its chewy property. It’s designed to resist the digestive properties of the saliva in your mouth. But once it’s swallowed, even the gum base is subjected to the same treatment as regular food, and after it’s recognized as useless by your digestive system, it goes the same route as any waste product.

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