Analysis suggests e cigarette use may be linked to lower rates of smoking E Cigarettes and Lung Health American Lung Association Known Health Effects of E Cigarette Use Kansas Health Institute Vaping Versus Smoking: Are Electronic Cigarettes the Savior? Arteriosclerosis, Thrombosis, and Vascular Biology Vaping and E Cigarettes Causing Outbreak of Respiratory Illnesses, Other Severe Health Problems, and Deaths Sommers Schwartz