Vapor From e Cigarettes Renders Protective Lung Cells Defenseless, Study Finds AJMC A brief history of e cigarettes Question: How do the ingredients in e cigarettes and vaporizers affect respiratory health? Los Angeles ENT Doctors ENT Specialists Top Surgeons NIH funded studies show damaging effects of vaping, smoking on blood vessels National Institutes of Health (NIH) Can lung damage from vaping heal? Allen Carr's Easyway