E cigarettes might harm lung tissue much like regular cigarettes do whether they contain nicotine or not a new study says. The Hidden Dangers: E Cigarettes, Heated Tobacco, and Their Impact on Oxidative Stress and AtherosclerosisA Systematic Review and Narrative Synthesis of the Evidence How E Cigarettes Affect Your Body What is Vaping? Side Effects & Risks Vaping Side Effects: What Every Vaper Needs to Know E Cigarette Direct Can vaping damage your lungs? What we do (and don't) know Harvard Health