New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking Pulmonary Illness Related to E Cigarette Use in Illinois and Wisconsin Final Report New England Journal of Medicine Vaping Leads To Lung Disease Cancer Lungs Mascot Holding Ecigarette Or Vape Device Internal Organ Need Medical Help Lungs Disease From Smoking And Vaping Stock Illustration Download Image Now iStock E cigarette vapor linked to cancer in mice National Institutes of Health (NIH) Smoking, vaping called a deadly combination for lung cancer risk UPI.com Lung cancer risks remain high for smokers who switch to vaping UPI.com