Public Health Consequences of E Cigarettes E cigarettes: A win or loss for public health? Knowable Magazine Nicotine e cigarettes are more effective in helping people quit smoking than conventional nicotine replacement therapy (NRT), according to the latest review of 88 studies (from US, UK, Italy) and more than 27,235 participants : Nicotine ECigarettes Help Smokers Quit Review Concludes Powers Health Scientific review finds e cigarettes likely cause lung and oral cancer E Lites electronic cigarette review