Can vaping damage your lungs? What we do (and don't) know Harvard Health Electronic Cigarette or Vaping associated Lung Injury (EVALI): The Tip of the IcebergRadiology: Cardiothoracic Imaging Vaping lung illnesses: Lab tests find bad chemicals in e cig liquids Vaping Possible Negative Effects on Lungs: State of the Art From Lung Capacity Alteration to Cancer Cureus Science & Tech Spotlight: E cigarettes U.S. GAO Health experts warn that flavored e cigarettes may lead to permanent lung damage. A U.S. teenager was diagnosed with "popcorn lung" after covertly vaping for three years, resulting in a lifelong, debilitating condition.