New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking Study suggests uncertainty in e cigarettes' usefulness for quitting smoking Harvard Gazette E cigarettes with a cigarette like level of nicotine are effective in reducing smoking and exposure to carcinogen, study finds VCU News Virginia Commonwealth University Attorneys General Want Tougher Proposed E Cigarette Regulation WAMC e cigarettes and e Liquids Cigorette Inc A Canadian Vape Company E cigarette users had similar DNA changes in cheek cells to smokers, new study finds Euronews