Chewing gum is a funny kind of food – the only kind you’re allowed to play with. Go ahead and chew it, snap it, and blow it into bubbles, but whatever you do, don’t swallow it. Gum’s rubbery properties are a product of its ingredients, including synthetic rubber and softeners that keep it from turning into a chalky block in your mouth. Synthetic rubber? Softeners? Yummy! Or not, which is why gum makers add “flavorings” – the closest thing to food in the ingredients list. And like food, these sweeteners mix with saliva in your mouth and sink to your stomach each time you swallow. Eventually, all the sweeteners head south, leaving you with a flavorless lump of softened rubber to spit into the nearest trash can.
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