Lung cancer risks persist with e cigarette use after quitting tobacco smoking Smoking affects more than one organ. It can silently increase the risk of multiple cancers and long term health complications, often before symptoms even begin to appear. Tobacco use is directly linked to Evidence update on the cancer risk of vaping e cigarettes: A systematic review Broad evidence implicates e cigarettes as a cause of cancer Stanton Glantz blog E cigarettes contain hazardous substances, addictive and harmful