Perhaps partially in response to dissatisfaction with NRT, other
forms of nicotine delivery are on the rise. Most prominently, rapid
growth has occurred in the marketing, sale, and use of electronic
nicotine delivery systems (“e-cigarettes”). Most e-cigarette users
report smoking cessation as the primary reason for use. Given
the well-known harms associated with cigarette smoking, switching
to e-cigarettes is likely a form of harm reduction. However,
although there is evidence that e-cigarettes may help some peoplewere more likely than NRT users to have quit cigarette smoking
reduce or even quit smoking, available prospective studies suggest
that e-cigarettes are similar to NRT in that most users do not quit
smoking. Despite these concerns, a recent cross-sectional, retrospective
study found that e-cigarette users in the general population