Cinnamon Cleans the Breath

By Janet Raloff, 15:50 PM April 15, 2008

People plagued by halitosis—bad breath—may have a friend in cinnamon. Dental scientists in Chicago have shown that an essential oil from this spice can kill oral bacteria, including germs responsible for a chemical that imparts the rotten-egg smell to the breath. But one doesn't have to suck on a cinnamon stick to knock out the offending microbes. Chewing a stick of gum will do.

Min Zhu and her coworkers at the University of Illinois at Chicago College of Dentistry had been looking in mints a...

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