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 An updated overview of e cigarette impact on human health Respiratory Research Springer Nature Link Just published the first randomized controlled trial of varenicline for vaping cessation CoEHAR Health unit says e cigarette usage in teens is 'concerning' Sudbury News No Smoking or Vaping E Cigarette Sign Sign Guys NYC New smoke free e cigarette launches in SA ITWeb