Growing the research evidence on e cigarettes by Research at CRUK Medium More e cigarette users than cigarette smokers for the first time in the UK The Lancet Oncology 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 Cancer Research UK fears a disposables ban may alter perception of vaping harm ECigIntelligence Vaping may 'wake up' cancer cells and trigger wave of disease in a decade's timeVaping may 'wake up' cancer cells and trigger wave of disease in a decade The Independent Study: e cigarette users with substances linked to bladder cancer in urine