Frontiers E cigarette exposure disrupts antitumor immunity and promotes metastasis Cardiopulmonary Impact of Electronic Cigarettes and Vaping Products: A Scientific Statement From the American Heart Association Circulation Frontiers E cigarette exposure disrupts antitumor immunity and promotes metastasis Cross Sectional Associations of Smoking and E cigarette Use with Self Reported Diagnosed Hypertension: Findings from Wave 3 of the Population Assessment of Tobacco and Health Study E cigarettes increase harm to smokers, so should not be promoted as a harm reduction strategy (in 10 slides) Stanton Glantz blog