New research has found that nicotine based vapes are likely linked to oral and lung cancer risk, pointing to evidence such as DNA damage, oxidative stress, inflammation, and exposure to harmful chemicals and Toxicity of electronic cigarettes: A general review of the origins, health hazards, and toxicity mechanisms ScienceDirect Kit Drag X2 Voopoo J WELL E cigarette smoke damages DNA and reduces repair activity in mouse lung, heart, and bladder as well as in human lung and bladder cells PNAS