Largest US study of e cigarettes shows their value as smoking cessation aid What happens when you quit smoking and start vaping? Latest Cochrane Review finds high certainty evidence that nicotine e cigarettes are more effective than traditional nicotine replacement therapy (NRT) in helping people quit smoking Cochrane Smoking cessation drug varenicline helps young adults quit vaping, clinical trial reveals British Journal of Midwifery Midwives' recommendation of electronic cigarettes as a smoking cessation strategy in pregnancy British Journal of Midwifery