E Cigarettes FDA Threatens E Cig Companies National Review Latest Cochrane Review finds high certainty evidence that nicotine e cigarettes are more effective than traditional nicotine replacement therapy (NRT) in helping people quit smoking Cochrane Blu e Cigs Review PCMag A sweeping scientific review is raising new concerns about the long term health effects of vaping. Nicotine based e cigarettes may pose a serious cancer risk, according to a major new review that challenges the E Cigarettes More Successful in Helping Smokers Quit Respiratory Therapy