Vaping Possible Negative Effects on Lungs: State of the Art From Lung Capacity Alteration to Cancer Cureus Vaping lung illnesses: Lab tests find bad chemicals in e cig liquids 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. HealthMatch Vaping may be safer than cigarettes, but it's not safe Dual cigarette and e cig use increases human risk of lung cancer 40 times Stanton Glantz blog