E Cigarettes and Vaping Tear Pad Health Edco Long Term Use of E cigarettes Linked to Respiratory Disease Allergy & Asthma Network Vaping may not contain tobacco, but that doesn't mean it's harmless. E cigarettes still expose your lungs to nicotine and a mix of chemicals that have been linked to lung disease, heart issues, HEALTH: Vaping illness outbreak in U.S. infographic Health effects of electronic cigarettes Wikipedia