How E Cigarettes Affect Your Body 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 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. Vaping Possible Negative Effects on Lungs: State of the Art From Lung Capacity Alteration to Cancer Cureus