Vaping and Health: What Do We Know about E-Cigarettes?

http://dx.doi.org/10.1289/ehp.122-A244



Comparison of sample toxicants emitted by tobacco cigarettes and e-cigarettes
Toxic compound Tobacco cigarette
(μg in mainstream smoke)
E-cigarette
(μg per 15 puffs*)
Average ratio
(conventional vs
electronic cigarette)
* The authors assumed smokers of e-cigarettes would take an average of 15 puffs per vaping session, corresponding to smoking one tobacco cigarette.
** Tobacco-specific nitrosamine, a carcinogenic compound that originates in the curing and processing of tobacco.
Adapted from Goniewicz et al. (2014)4
Formaldehyde 1.6–52 0.20–5.61 9
Acetaldehyde 52–140 0.11–1.36 450
Acrolein 2.4–62 0.07–4.19 15
Toluene 8.3–70 0.02–0.63 120
NNN** 0.005–0.19 0.00008–0.00043 380
NNK** 0.012–0.11 0.00011–0.00283 40