Air pollution in smokers? homes can reach outdoor levels in worst cities

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Air pollution in smokers? homes can reach outdoor levels in worst cities

By Shereen Lehman (Reuters Health) - Living with a smoker can be like breathing the air in the world?s most polluted cities, according to a new study from Scotland. ?The message is pretty simple really - smoking in your home leads to really poor air quality and results in concentrations of fine particles, that you can?t see, that would cause real concern to us if they were found outside,? said lead author Sean Semple, of the Scottish Center for Indoor Air at the University of Aberdeen. Tiny particles 2.5 microns in diameter or smaller, known as PM2. ...

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