About 12 percent of Americans experience migraines, and a new study published in the American Society for Microbiology suggests they could be caused by bacteria in the mouth.

Though previous studies have shown that increased nitric oxide in the bloodstream is associated with migraines, new research based on data from the American Gut Project sheds light on how foods with nitrates also may trigger migraines.

Watch the video below from Business Insider to find out which foods, like hot dogs, to avoid if you suffer migraines:

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Former Fulton County election worker Ruby Freeman talks to her daughter, Wandrea ArShaye "Shaye" Moss, a former Georgia election worker, after she testified before the U.S. House Select Committee at its fourth hearing on its Jan. 6 investigation on Capitol Hill in Washington, D.C., on Tuesday, June 21, 2022. (Yuri Gripas/Abaca Press/TNS)

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