Smoking bans don't prevent you having to breathe in smoke particles


By Alice Klein

Policies that restrict smoking within a set distance of a building may need to be extendedJan Enkelmann/Getty ImagesYou can breathe in harmful chemicals from tobacco use even in non-smoking venues because they are carried on smokers’ bodies and clothes.
Third-hand smoke – the residue from cigarette fumes that sticks to surfaces and then wafts back into the air – has previously been found indoors in places where smoking is allowed.
To find out if third-hand smoke also pollutes non-smoking venues, Drew Gentner at Yale University and his colleagues monitored the air quality in a non-smoking cinema in Germany for four days, after first flushing it with clean air. Smoking is banned inside cinemas and other public places in Germany.


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