Study: Vaping Doesn't Help Smokers Quit Cigarettes FDA Issues New Regulations E Cigarettes and Other Tobacco Products 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 Why E Cigarettes may Not Help Quit Smoking: Study Are E Cigarettes a Healthy Way to Quit Smoking? WSJ