Toxic Metals in E cigarettes Lead to Oxidative DNA Damage StressMarq How Many Juul Pods Equal A Cigarette E cigarette flavored pods induce inflammation, epithelial barrier dysfunction, 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 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 Comparison of the in vivo genotoxicity of electronic and conventional cigarettes aerosols after subacute, subchronic and chronic exposures. ScienceDirect