This lung damage from e cigarettes is permanent and entirely preventable. Flavored e cigarettes, often marketed with candy like appeal, may be far more dangerous than they seem. A recent case involving a U.S. 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 Health Effects Vaping Information, Solutions & Interventions Toolkit Stanford Medicine