Just Like Cigarettes, Vaping Likely Causes Cancer, Major Study Finds Full article: A review of e cigarettes and their effects on DNA methylation in human studies Electronic Cigarettes Induce Mitochondrial DNA Damage and Trigger TLR9 (Toll Like Receptor 9) Mediated Atherosclerosis Arteriosclerosis, Thrombosis, and Vascular Biology E cigarettes cause 'significantly less damage to our DNA than cigarettes' Vaping while pregnant isn't harmlessstudy uncovers risks to newborn lung health Smoke from e cigarettes 'damages DNA and can increase cancer risk' The Irish Times