Nicotine e cigarettes are more effective in helping people quit smoking than conventional nicotine replacement therapy (NRT), according to the latest review of 88 studies (from US, UK, Italy) and more than 27,235 participants : Vaping is likely to cause oral and lung cancer, according to a comprehensive review of over 100 studies of the effects of nicotine based e cigarettes, published this week in the journal, Carcinogenesis. E cigarettes using synthetic nicotine come under FDA oversight Los Angeles Times The Evidence Doesn't Say That: On the New E Cigarette Carcinogenicity Review Blog Yusuff Adebayo Adebisi Watermelon Vapes E cigarettes with watermelon flavor