E cigarette user found to have rare form of lung scarring typically found in metal workers European Respiratory Society warns against vaping for smoking cessation E cigarette or Vaping Product Use Associated Lung Injury (EVALI): A Case Study New CoEHAR Umbrella review: no significant impact on lung function with E cigarette use Do electronic cigarettes reduce respiratory and cardiovascular risk in smokers? Roswell Park Comprehensive Cancer Center Buffalo, NY Don't Use Bootleg or Street Vaping Products, C.D.C. Warns The New York Times