E Cigarettes and Breast Cancer: Is Vaping Really Safer? Prevalence of cigarette and e cigarette use among U.S. adults eligible for lung cancer screening based on updated USPSTF guidelines ScienceDirect Genetic evidence that e cigarettes increase cancer (and other disease) risk among young adults Stanton Glantz blog Vaping likely to cause lung and oral cancer, Australian researchers find in new review of evidence Vaping The Guardian