Periodontitis affects approximately 47% of adults in the United States and the U.S. Surgeon General has concluded that cigarette smoking is one of its causes. Despite numerous adverse health effects of environmental tobacco smoke (ETS), an association between periodontitis and this “second-hand smoke” in non-smokers remains questionable. In this study, the researchers aimed to investigate the association between serum cotinine and periodontitis among U.S. non-smokers. More here:http://www.sciencedaily.com/releases/2015/03/150313083627.htm
