Electronic cigarette smoke induces lung adenocarcinoma and bladder urothelial hyperplasia in mice PNAS Pulmonary Illness Related to E Cigarette Use in Illinois and Wisconsin Final Report New England Journal of Medicine The Unbreakable Link: Tobacco and Lung Cancer Preclinical study suggests 'e cigarettes' may promote lung cancer in high risk individuals ecancer The Dentist Smoking and vaping together leads to a greater risk of lung cancer The Dentist