is raw tobacco harmful snuff really safer than smoking? Natural Tobacco Leaf vs. Cigarette
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One possible explanation for this phenomenon is that U.S

E., The Chemical Composition of Smokeless Tobacco: a Survey of Products Sold in the United States in 2006 and 2007, Regulatory Toxicology and Pharmacology
Age moderates smokers subjective response to very-low nicotine content cigarettes: evidence from a randomized controlled trial

As all respondent data are self-reported, there is potential for recall and information bias, as well as residual confounding due to unmeasured factors

10.1165/rcmb.2005-0330OC [DOI] [PMC free article] [PubMed] [Google Scholar] 73.Jarzynka MJ, Guo P, Bar-Joseph I, Hu B, Cheng SY

Smart & Final gets its products from a variety of different vendors and prides itself in offering, "more than 3,000 club-sized items alongside your daily grocery needs," according to its "About Us" page
