Banning smoking in public places does seem to decrease exposure to secondhand smoke, according to research from Oxford University.
The authors reviewed approximately 2,500 adult non-smokers’ self-reported rates of tobacco smoke exposure in several public and private settings following smoking bans in 2006 and 2011. The survey results showed significantly lower exposure following the second legislation, with participants reporting their overall exposure falling from 72% in 2006 to 45% in 2011. Exposure decreased across all locations surveyed, beyond the workplaces and hospitality settings covered by the 2011 legislation. For example, exposure also decreased in residences from 29% to 13% and in transportation spaces from 41% to 13%.
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