? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Is the Nicotine in E Cigarettes Harmful for Your Health? Scientific American Teenagers who vape sweet flavoured e cigarettes more likely to stick with habit, study claims The Independent The Independent One million people who never regularly smoked now vape in England UCL News UCL University College London Vaping: Safe? Or Are Your Lungs Going Up In Smoke?