E Cigarette or Vaping Product Use Associated Lung Injury: A Comprehensive Review Severe chemical pneumonitis from tetrahydrocannabinol 'vaping' and 'dabbing' Cleveland Clinic Journal of Medicine 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. Vitamin E acetate in marijuana vaping products is linked to lung illness, FDA and state labs find The Washington Post