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Gentle brushing and flossing (avoiding the extraction site) can keep your mouth clean and fresh, reducing the urge to smoke, which can mask bad breath

Exposure to nicotine and selected toxicants in cigarette smokers who switched to electronic cigarettes: a longitudinal within-subjects observational study

So because of all those reasons, it is not surprising this virus causes smell dysfunction. The good news, says Nancy Rawson, vice president and associate director at Monell Chemical Senses Center, a non-profit interdisciplinary research institute in Philadelphia, is that cells in the olfactory epithelium can regenerate after they have been damaged

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One possible answer lies in the political clout of the communities most affected