E Cigarettes and Breast Cancer: Is Vaping Really Safer? E cigarettes: 'cancer risk close to zero' Bhekisisa Dual cigarette and e cig use increases human risk of lung cancer 40 times Stanton Glantz blog E cigarettes accelerate lung colonization of breast cancer cells. A. Download Scientific Diagram Can vaping cause cancer? The evidence suggests it might. An oncologist shares what he tells people when they ask about vapes and cancer risk.