This exciting research is just beginning. And at the same time, companies are also experimenting with adding vitamins, minerals, medicines, and other substances that could give gum the power to cure headaches and fight everything from serious diseases to bad breath.

　　These gums are part of the growing number of foods and drinks that contain health-boosting ingredients. If you’re already a gum fan, that’s probably welcome news.

　　Americans chew about 1.8 pounds of gum per person each year, according to the U.S. Census Bureau. By showing that gum chewing can be healthy, companies that make and sell gum hope that we’ll chew even more.

　　Chewing gum might be good for your brain. One Japanese study of nine participants found that chewing gum boosted the flow of blood to participants’ brains by up to 40 percent. Blood carries oxygen, which fuels brain cells.

　　Other small studies have found that people perform better on memory tests while chewing gum. And a study in the United Kingdom found that people who chewed gum while memorizing a list of words did about 25 percent better at recalling those words than people who didn’t chew gum.

　　But additional studies are still needed to confirm that chewing gum has benefits. So far, results of studies about memory have been mixed. Not all tests have had similarly encouraging results. What’s more, many of the studies that show gum’s benefits are funded by gum companies.

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