E Cigarettes: Health Effects and Cessation PDF Electronic Cigarette Tobacco Smoking The Hidden Dangers: E Cigarettes, Heated Tobacco, and Their Impact on Oxidative Stress and AtherosclerosisA Systematic Review and Narrative Synthesis of the Evidence Just published the first randomized controlled trial of varenicline for vaping cessation CoEHAR E cigarettes might harm lung tissue much like regular cigarettes do whether they contain nicotine or not a new study says.