HealthMatch Vaping may be safer than cigarettes, but it's not safe 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. Dual cigarette and e cig use increases human risk of lung cancer 40 times Stanton Glantz blog Vaping Danger in Spotlight as Lung Injury Cases Mount Methodist Health System Omaha, Council Bluffs, Fremont 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 Possible Negative Effects on Lungs: State of the Art From Lung Capacity Alteration to Cancer Cureus