Clearing the Air: The Harsh Reality of Vaping and Smokeless Products Leading to Cancer E cigarettes are likely to cause cancer, including in the lungs and mouth, according to a sweeping review of scientific evidence that challenges their positioning as a safer alternative to smoking. There is Most E cigarette Users Ages 18 to 29 Never Smoked Before American Cancer Society Lung Cancer Europe European Lung Cancer Advocacy Network A new peer reviewed paper has added weight to concerns about vaping and cancer risk. It brings together evidence from human, animal Breast Cancer & E Cigarettes: Is Vaping a Safer Alternative to Smoking? Maurer Foundation