E Cigarette effects on oral health: A molecular perspective ScienceDirect DNA damage levels similar in vapers and smokers, study finds E cigarettes damage DNA in lab study 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 Toxic Metals in E cigarettes Lead to Oxidative DNA Damage StressMarq