American journal of public health
-
We characterized smokers who are likely to use electronic or "e-"cigarettes to quit smoking. ⋯ Smokers who try e-cigarettes to quit smoking appear to be serious about wanting to quit. Despite lack of evidence regarding efficacy, smokers treat e-cigarettes as valid alternatives to FDA-approved cessation aids. Research is needed to test the safety and efficacy of e-cigarettes as cessation aids.