Study: “Third-Hand Smoke” Sticks Around & Produces New Carcinogens

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By Smriti Rao
Feb 9, 2010 11:15 PMNov 19, 2019 9:58 PM
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You might not be a smoker yourself, but hanging around people who are smoking can cause you to inhale noxious cigarette fumes. For years, scientists have cautioned against the ill-effects of such second-hand smoke. Now they're warning about the dangers of "third-hand smoke"—the chemical traces that cling to a smoker, and that are left behind in a room where someone has been smoking.

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