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A confectionery mainly composed of chicle juice, which comes from the sapodilla tree (Achras Zapota) of Central America. It"s generally flavoured with mint. The first patent was taken out in the USA in 1871. Demand for chicle juice now outstrips supply, so other resins, oils and rubbers are now also used
Chewing gum on an empty stomach produces acidic saliva, so this arrives in the stomach, and can be a cause of ulcers. But when chewing gum after eating, the same saliva naturally combats plaque. It can also help prevent the build-up of bacteria in the mouth.
Possibly because of this, children who chew gum have almost half as many ear infections as those who don"t. bubble gum is a similar product.