Print and Download About Vaping Prevention Resources HHS.gov 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 Some reports state that these new, flavored smoking devices are less harmful than tobacco cigarettes but how safe is vaping? In this third part of a four part series, China Daily examines the Vaping: The Good, the Bad and the Popcorn Lung MPH Online Health effects of electronic cigarettes Wikipedia New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking