Rationale Electronic cigarette (e-cigarette) aerosol contains volatile aldehydes, including flavourings and oxidant metals with known pulmonary toxicity.

Objectives To evaluate the associations of e-cigarette use with symptoms of wheeze, bronchitic symptoms …

Introduction
Use of electronic cigarettes (e-cigarettes) has increased in recent years among adolescents and young adults. In the USA, prevalence of past 30-day e-cigarette use among high school stu…