Does vaping really damage DNA and increase the risk of cancer? Electronic Cigarettes Induce Mitochondrial DNA Damage and Trigger TLR9 (Toll Like Receptor 9) Mediated Atherosclerosis Arteriosclerosis, Thrombosis, and Vascular Biology Research in 60 Seconds: e cigarettes & DNA damage A major new review of more than 100 scientific studies is raising serious concerns about vaping. Researchers found growing evidence that e cigarettes are likely linked to lung and oral cancers, along with