Kumulus Vape : cigarette lectronique et e liquide depuis 2012 DNA damage levels similar in vapers and smokers, study finds Comparison of the in vivo genotoxicity of electronic and conventional cigarettes aerosols after subacute, subchronic and chronic exposures. ScienceDirect Toxicological Effects of E Cigarettes on Cells, Animals, and Humans and Mechanisms of Toxicity Springer Nature Link 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 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