Electronic cigarettes (e-cigarettes) were introduced in the United States in 2007 and by 2014
they were the most popular tobacco product amongst youth and had overtaken use of …

This study sought to determine whether adolescents'e-cigarette risk perceptions, perceived
benefits, and positive expectations, and vaping behavior changed after the electronic …

Purpose Previous research links cigarette use and marijuana use in adolescence with the
use of other illicit substances. Limited research, however, has explored whether vaping …

Introduction There is a lack of research prospectively estimating the age of e-cigarette
initiation in US young adults. Methods Secondary analysis of PATH young adults across …

Background We examine the association among five types of state regulations on electronic
cigarettes (defining e-cigarettes, special tax, packaging, youth access and licensure) and …

Objectives Examine the patterns of cigarette smoking and e-cigarette use (vaping), the
perceived harm of e-cigarettes compared with tobacco cigarettes, and associations between …

Introduction Evidence on prospective bidirectional associations between e-cigarette and
alcohol use among adolescents can inform prevention and policy but is largely absent from …

Objective To examine the association between fraternity/sorority membership and athlete
status with tobacco use by tobacco product type. Participants: Undergraduate college …

Youth e-cigarette use has rapidly increased in the last few years. Susceptibility is a validated
measure associated with future tobacco use. We examined trends in e-cigarette …

Background and objectives: This study assesses electronic cigarette (e-cigarette) use and its
relationship with smoking and alcohol and illicit drug consumption among Romanian …