cotinine levels chewing tobacco Comprehensive evaluation of serum on human health: Novel evidence for the systemic toxicity of smoke in the US general population Overview of Cotinine Cutoff Values

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14 Users of e-cigarettes give a range of reasons for vaping, some of which are listed in Table 1

Quitting smoking can be a challenging process, but it is possible with the right support and resources

All statistical summarizations and comparisons were calculated using SAS Version 9.3 (SAS, Cary, NC)

Vapes can also be cheaper to use, and in some cases, fit the users social scene better