fda approved e cigarettes F.D.A. Authorizes E-Cigarettes to Stay on U.S. Market for the First Time A Closer Look at the
Description
Juul claims one pod is equal to a pack of cigarettes in terms of nicotine, but tobacco experts told me the precise equivalency is difficult to determine because not all the nicotine released in cigarette smoke is inhaled, and some is trapped in the filter

10.1093/ntr/ntz013 [DOI] [PMC free article] [PubMed] [Google Scholar] 21

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(1951) Slogans of Iolite (US) Smokeless freedom