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 E cigarette users had similar DNA changes in cheek cells to smokers, new study finds Euronews New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking 5 Things You Need to Know About E Cigarettes Good Morning America Attorneys General Want Tougher Proposed E Cigarette Regulation WAMC E cigarettes: Nicotine repackaged Shine365 from Marshfield Clinic