Growing the research evidence on e cigarettes by Research at CRUK Medium 61% of ex smokers who use e cigarettes say they vape to help them stop smoking. Research so far shows that vaping is far safer than smoking. Find out more: http: po.st 2FpW7T Cancer Research UK Electronic cigarette aerosols alter the expression of cisplatin transporters and increase drug resistance in oral cancer cells Scientific Reports Research so far shows that legal e cigarettes are far less harmful than smoking, and can be an effective way of helping people who smoke to quit. However, there isn't enough research yet Psychiatry.org Vaping is Unhealthy. Tips and Resources to Help Quit. Everyone knows them, and one in five smokers tries them: E cigarettes in Germany German Cancer Research Center