Is Vaping More Dangerous Than We Thought? Shocking DNA Damage Revea TikTok E Cigarettes May Damage DNA in Oral Cells Sable Industries Inc. A 2026 scientific review linked vaping to lung and oral cancer related cellular changes, including DNA damage, oxidative stress, and inflammation in human tissue samples. E cigarette aerosol contains nicotine derived nitrosamines, volatile organic Vaping and the Brain: Effects of Electronic Cigarettes and E Liquid Substances The Journal of Neuropsychiatry and Clinical Neurosciences Cigarette Smoke and Weak DNA Repair: A Double Hit Behind Lung Cancer Risk Oncotarget.org New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking