The Hidden Dangers: E Cigarettes, Heated Tobacco, and Their Impact on Oxidative Stress and AtherosclerosisA Systematic Review and Narrative Synthesis of the Evidence Vaping harms your health Cancer Institute NSW Vaping harms your health Cancer Institute NSW E Cigarettes Vaping with Juul & Other Electronic Cigarettes E cigarettes might harm lung tissue much like regular cigarettes do whether they contain nicotine or not a new study says.