Electronic cigarettes: A task force report from the European Respiratory Society

Robert Bals, Jeanette Boyd, Susanna Esposito, Robert Foronjy, Pieter S. Hiemstra, Carlos A. Jiménez-Ruiz, Paraskevi Katsaounou, Anne Lindberg, Carlos Metz, Wolfgang Schober, Avrum Spira, Francesco Blasi

Research output: Contribution to journalReview articlepeer-review

Abstract

There is a marked increase in the development and use of electronic nicotine delivery systems or electronic cigarettes (ECIGs). This statement covers electronic cigarettes (ECIGs), defined as “electrical devices that generate an aerosol from a liquid” and thus excludes devices that contain tobacco. Database searches identified published articles that were used to summarise the current knowledge on the epidemiology of ECIG use; their ingredients and accompanied health effects; second-hand exposure; use of ECIGs for smoking cessation; behavioural aspects of ECIGs and social impact; in vitro and animal studies; and user perspectives. ECIG aerosol contains potentially toxic chemicals. As compared to conventional cigarettes, these are fewer and generally in lower concentrations. Second-hand exposures to ECIG chemicals may represent a potential risk, especially to vulnerable populations. There is not enough scientific evidence to support ECIGs as an aid to smoking cessation due to a lack of controlled trials, including those that compare ECIGs with licenced stop-smoking treatments. So far, there are conflicting data that use of ECIGs results in a renormalisation of smoking behaviour or for the gateway hypothesis. Experiments in cell cultures and animal studies show that ECIGs can have multiple negative effects. The long-term effects of ECIG use are unknown, and there is therefore no evidence that ECIGs are safer than tobacco in the long term. Based on current knowledge, negative health effects cannot be ruled out.

Original languageEnglish
Article number1801151
JournalEuropean Respiratory Journal
Volume53
Issue number2
DOIs
Publication statusPublished - Feb 1 2019

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine

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