Major Study Says E Cigarettes Can Help Smokers Quit An updated overview of e cigarette impact on human health Respiratory Research Springer Nature Link Long term effects of chronic exposure to electronic cigarette aerosol on the cardiovascular and pulmonary system in mice: A comparative study to cigarette smoke ScienceDirect New meta analysis confirms that e cigs do not help smokers quit in the real world Stanton Glantz blog E cigarettes less addictive than cigarettes, PATH study shows Penn State University Notes from the Field: Use of Electronic Cigarettes and Any Tobacco Product Among Middle and High School Students United States, 20112018 MMWR