E Cigs Vapes: Where Did They Come From? Tobacco Prevention Toolkit Stanford Medicine Vapor from e cigarettes may impair the cells that line the lungs Question: How do the ingredients in e cigarettes and vaporizers affect respiratory health? Los Angeles ENT Doctors ENT Specialists Top Surgeons The Mysterious Vaping Illness That's 'Becoming an Epidemic' The New York Times The Impact of Smoking and Vaping on Respiratory Health Blog