Relier Pairs CHEWING GUMVersion en ligne CHEWING GUM par Royner Villalobos 1 Chewing gum may enhance concentration, 2 Chewing sugar-free gum after meals aids saliva production, 3 Some studies suggest chewing gum 4 Sugar-free gum comprises 5 Chewing gum dates back millennia, 6 Global chewing gum sales reached 7 Chewing gum comes in various flavors 8 The US dominates the chewing gum market, 9 Each American chews about 1.8 pounds $19.5 billion in 2020. (800 grams) of gum annually. improves cognitive function and memory. over 80% of US gum sales. accounting for over 30% of sales. and forms, including sticks and pellets. reducing tooth decay risk. used by ancient civilizations like the Mayans. reduce stress, and boost alertness.