Fuite de e liquide des e cigarettes : les solutions Study suggests uncertainty in e cigarettes' usefulness for quitting smoking Harvard Gazette Frontiers Mapping of Global Research on Electronic Cigarettes: A Bibliometric Analysis There is growing evidence that #vaping can cause lung, oral, and throat cancers. Some people cut back on smoking by also vaping, but that may be even more deadly. Quitting smoking and Center for Research on Tobacco and Health College of Medicine Penn State