Smokeless tobacco worse than cigarettesby Jacki Donaldson, The Cancer Blog on Aug 19, 2007Filed under: Research, Smoking, Daily news  You might think, like many people do, that smokeless tobacco products are safe alternatives to cigarettes. Wrong. According to researchers at the University of Minnesota Cancer Center, smokeless tobacco users are exposed to higher amounts of carcinogenic molecules than cigarette smokers. In a study of 182 users of chewing tobacco or oral snuff and 420 cigarette smokers, they found snuff users were exposed to higher levels of 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) than smokers. NNK is a human carcinogen known to produce lung cancer. In laboratory animals, it also contributes to cancers of the pancreas, nasal mucosa, and liver. Published in the August issue of Cancer Epidemiology, Biomarkers & Prevention, this study serves to remind us that there is only one safe alternative to smoking -- not smoking.Read | Permalink | Email this | Linking Blogs | Comments
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