Smokeless Tobacco Called Unsafe Cigarette Substitute...


August 10, 2007 - Smokeless Tobacco Called Unsafe Cigarette Substitute... Study suggests that smokeless tobacco is not a good option for reducing health risks from smoking. Smokeless tobacco exposes users to at least as much of a potent carcinogen as smoking tobacco does, despite claims that it is a safer alternative, reported Stephen S. Hecht, Ph.D., of the University of Minnesota, and colleagues, in the August issue of Cancer Epidemiology, Biomarkers & Prevention. Smokeless tobacco users had 73% higher levels of a biomarker for a nitrosamine carcinogen known as NNK than did smokers in pooled analysis of six studies (P<0.0001),>

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