Rethinking Vaping Vaping Danger in Spotlight as Lung Injury Cases Mount Methodist Health System Omaha, Council Bluffs, Fremont Dangers of Vaping: Why E Cigarettes Are Harmful to Health E Cigarette or Vaping Associated Lung Injury New England Journal of Medicine The Vaping Illness Outbreak: What We Know So Far Vermont Public 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.