Chewing gum is available in a wide variety of flavors such as mint, wintergreen, cinnamon and various types of fruits. Mintier flavors are often chewed for fresher breath. There is no standard type of gum, as it can be formed in many different shapes and sizes.
The United States military have regularly supplied soldiers with chewing gum since World War I because it helped both to improve the soldiers' concentration and to relieve stress. As of 2005, the U.S. military is sponsoring development of a chewing gum formulation with an antibacterial agent that could replace conventional oral hygiene methods in the battlefield. Recently, the U.S. armed forces have been providing troops with caffeinated gum to keep soldiers alert for extended periods of time without experiencing fatigue or drowsiness. Each stick of gum has approximately 100 mg of caffeine in it, about the same amount in an average cup of coffee.
Did you know that chewing gum is ban in Singapore? Singapore has stuck to its 18-year ban on the import and sale of chewing gum, which has become an international symbol of the city-state's image as a strict society. So, if you chew gum... don't do it in Singapore or you will be in big trouble!
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