Does Vaping Cause Lung Cancer? What We Know (and Still Don't) DID YOU KNOW? While some may think vaping is a safer alternative, the reality is that e cigarette aerosol can include all or more of the harmful substances in cigarettes. Understanding the facts Most E cigarette Users Ages 18 to 29 Never Smoked Before American Cancer Society Known Health Effects of E Cigarette Use Kansas Health Institute Broad evidence implicates e cigarettes as a cause of cancer Stanton Glantz blog