Can vaping damage your lungs? What we do (and don't) know Harvard Health The Hidden Dangers: E Cigarettes, Heated Tobacco, and Their Impact on Oxidative Stress and AtherosclerosisA Systematic Review and Narrative Synthesis of the Evidence Tobacco and E Cigarettes My Story Today E cigarettes might harm lung tissue much like regular cigarettes do whether they contain nicotine or not a new study says. Side effects of vaping without nicotine What is Vaping? Side Effects & Risks