Chewing gum increases brain activity. Psychologists have discovered that chewing gum helps in enhancing memory. When you chew gum, your hippo campus becomes stimulated. The hippo campus is the part of the brain which plays a major role in memory. Aside from boosting your memory, chewing gum also inspires more blood flow to the brain. When you chew gum, your heart rate increases and more oxygen is transported to your brain area. Chewing gum helps in fighting stress and anxiety. Research has shown that students who chew gum during exams tend to be more alert and focused. If you want to lose weight, chewing gum can also prove to be beneficial for you. The act of chewing and the flavor of the gum will help you fight your cravings for other snacks that are high in calories and fats. If you are suffering from oral health problems like bad breath or gum infection, you might want to chew some gum to relieve these symptoms. When you chew gum, your saliva production is also stimulated. Sugar free gum has also been found to be effective in protecting the enamel of your teeth. In fact, chewing on some sugar-free gum after meals can lessen your tooth cavities. Chewing gum can also improve your digestion.