Nicotine Levels in Electronic Cigarettes
Nicotine & Tobacco Research, 04/26/2012
Goniewicz ML et al. – Electronic cigarettes (ECs) generate vapor that contains nicotine, but EC brands and models differ in their efficacy and consistency of nicotine vaporization. In ECs, which vaporize nicotine effectively, the amount inhaled from 15 puffs is lower compared with smoking a conventional cigarette.