Ontology highlight
ABSTRACT:
SUBMITTER: Hartmann-Boyce J
PROVIDER: S-EPMC6457845 | biostudies-literature | 2016 Sep
REPOSITORIES: biostudies-literature
Hartmann-Boyce Jamie J McRobbie Hayden H Bullen Chris C Begh Rachna R Stead Lindsay F LF Hajek Peter P
The Cochrane database of systematic reviews 20160914
<h4>Background</h4>Electronic cigarettes (ECs) are electronic devices that heat a liquid into an aerosol for inhalation. The liquid usually comprises propylene glycol and glycerol, with or without nicotine and flavours, and stored in disposable or refillable cartridges or a reservoir. Since ECs appeared on the market in 2006 there has been a steady growth in sales. Smokers report using ECs to reduce risks of smoking, but some healthcare organizations, tobacco control advocacy groups and policy m ...[more]