Evidence of the harms of e-cigarettes has been unfolding slowly and has been documented
in many reviews and reports worldwide. A narrative review of new evidence is presented …

Introduction Quitting is the only proven method to attenuate the progression of chronic
obstructive pulmonary disease (COPD). However, most COPD smokers do not seem to …

Background E-cigarettes are promoted as less harmful than cigarettes. There has not been a
direct comparison of health effects of e-cigarettes or dual use (concurrently using e …

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

Background Vaping, including the use of electronic cigarettes (e-cigarettes), has become
increasingly prevalent, yet the associated long-term health risks are largely unknown. Given …

Vaping by adolescents and young adults is a legitimate concern as there is a risk that some
may start smoking and that electronic cigarette (EC) use may have adverse effects in the …

Vaping involves inhaling an aerosol that is created by heating an electronic liquid (eliquid)
containing a variety of substances that usually include nicotine and/or cannabinoids …

Abstract Knowledge about the respiratory health consequences of adolescents' use of
tobacco products with cannabis remains limited. We studied whether e-cigarettes …

Introduction: Electronic nicotine delivery system (ENDS) use is highly prevalent among US
youth, and there is concern about its respiratory health effects. However, evidence from …

Propylene glycol (PG) is a common delivery vehicle for nicotine and flavorings in e-cigarette
(e-cig) liquids and is largely considered safe for ingestion. However, little is known about its …