Rationale: Rates of adolescent electronic (e-) cigarette use are increasing, but there has
been little study of the chronic effects of use. Components of e-cigarette aerosol have known …

Rationale: Electronic cigarette (e-cigarette) use is highly prevalent among young adults.
However, longitudinal data assessing the association between e-cigarette use and …

E-cigarette use among adolescents and young adults has been associated with adverse
respiratory symptoms, including symptoms of asthma and bronchitis. This investigation …

Background Globally, a surge in electronic cigarette (e-cigarette) use has been observed in
recent years, with youth being the most susceptible group. Given their recent emergence …

Methods During 2012-2013, we surveyed secondary 1 (US grade 7, typically aged 12 years)
to secondary 6 students from 75 randomly selected schools using an anonymous …

Introduction E-cigarettes deliver an aerosol of nicotine by heating a liquid and are promoted
as an alternative to combustible tobacco. This study determines the longitudinal …

Importance There is an ongoing debate about whether electronic cigarettes (e-cigarettes)
are the solution to the tobacco epidemic or a new public health threat. Large representative …

Electronic cigarettes (e-cigarettes) are battery powered electronic nicotine delivery systems
that use a propylene glycol/vegetable glycerin base to deliver vaporized nicotine and …

There is minimal evidence from epidemiological studies on how e-cigarette use is related to
health indices in adolescence. We hypothesized that e-cigarette use would be associated …

Background Use of electronic cigarettes (e-cigarettes) is prevalent among adolescents and
young adults, but there has been limited knowledge about health consequences in human …