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Emerging evidence supports their use as a cessation aid but authors call for further research

Findings suggest electronic cigarettes with nicotine help people stop or reduce smoking when compared to electronic cigarettes without nicotine, but more studies are needed.Jamie Hartmann-Boyce, Nuffield Department of Primary Care Health Sciences, University of Oxford.

Electronic cigarettes can help smokers to stop smoking or significantly reduce their consumption, according to new evidence published in the Cochrane Database of Systematic Reviews.

The review draws on data from two randomised trials and found that while nicotine-containing electronic cigarettes were more effective than a non-nicotine placebo in helping smokers to kick the habit, the results need to be confirmed by further research.

Electronic cigarettes are used by many smokers and have been available for a number of years, with their popularity increasing substantially. Yet little has been known about how effective they are at helping people to stop, or their long-term effects.

Read more (Nuffield Department of Primary Care Health Sciences website)