E cigarette vapor linked to cancer in mice National Institutes of Health (NIH) Can Electronic Cigarettes Cause Cancer? American Council on Science and Health Breast Cancer & E Cigarettes: Is Vaping a Safer Alternative to Smoking? Maurer Foundation Today's Fact Friday highlights an important truth. Both cigarettes and e cigarettes are harmful to your health. While some believe vaping is a safer alternative, studies show that one disposable vape can equal How Can Smoking and Vaping Impact Cancer? Urology Care Foundation Evidence update on the cancer risk of vaping e cigarettes: A systematic review