For ages, chewing gum represented popular pastime that was used all over the world. From the prehistoric men and women who chowed lumps of tree resin for enjoyment, Ancient Greeks who used tree resin to clean their teeth and freshen their breath, Maya Indians who used gummed chicle, and Europeans and American settlers who used hardened tree sap and beeswax. Sadly, even though use of chewing gum can undoubtedly have many positive effects, it can also endanger us. Here are some of the most common chewing gum side effects and disadvantages: Tooth Decay Sugared gums can with heavy use cause tooth decay, gum disease and cavities. This happens because sugar coats the teeth, and can slowly cause damaging of tooth enamel if they are not immediately brushed. To reduce harmful effects of sugared gums, seek out gum brands that use smaller quantities of sugar. Artificial Sweetener Allergies Almost all popular sugar brands use artificial sweeteners to make their products longer lasing, s...