Similar DNA changes found in cells of both smokers and e cigarette users UCL News UCL University College London 61% of ex smokers who use e cigarettes say they vape to help them stop smoking. Research so far shows that vaping is far less harmful than smoking. Find out more: http: po.st X2Ckfa Cancer Research Disposable e cigarettes are now more toxic than traditional cigarettes, researchers say The Independent Study title Misconceptions about e cigarette safety might be stopping smokers using them to quit Research shows most children do not regularly use e cigarettes