E Cigarettes and Pregnancy Maternal Infant Health CDC CDC provides update on e cigarette illnesses AHA News Vaping Related Illness and Lung Disease NEJM 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, Vaping and lung disease: This doctor saw the link four years ago Los Angeles Times Health effects and known pathology associated with the use of E cigarettes ScienceDirect