Nonsmokers who live with smokers are exposed to triple the World Health Organization's recommended safe levels of harmful air particles, a new study warns.
That means that air-particle levels in a home with a smoker are similar to that of the air in large, polluted cities, the study found. Living in smoke-free homes could offer major health benefits to nonsmokers, according to the authors of the study published online Oct. 20 in the journal Tobacco Control.
"Smokers often express the view that outdoor air pollution is just as much a concern as the secondhand smoke in their home," study author Dr. Sean Semple, of the University of Aberdeen in Scotland, said in a journal news release.
"These measurements show that secondhand tobacco smoke can produce very high levels of toxic particles in your home; much higher than anything experienced outside in most towns and cities in the U.K. Making your home smoke-free is the most effective way of dramatically reducing the amount of damaging fine particles you inhale," he advised.
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