Let's talk e cigarettes University of Oxford Podcasts Cochrane Review Responsible Vaping Ireland The Royal College of Physicians (RCP) concluded in its report, E cigarettes and harm reduction: An evidence review, that these devices play a crucial role in lowering health inequalities and deaths linked to E cigarettes can be effective smoking cessation aids, Cochrane review suggests The Pharmaceutical Journal Biomarkers of potential harm in people switching from smoking tobacco to exclusive ecigarette use, dual use or abstinence: secondary analysis of Cochrane systematic review of trials of ecigarettes for smoking cessation