What is Vaping and How Does It Work E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA E cigarette or Vaping Product Use Associated Lung Injury in Adolescents To prevent e cigarette, or vaping, product use associated lung injury (EVALI), people should not use THC containing e cigarette, or vaping products, particularly from informal sources. Data suggest e cigarette, or vaping, products that contain THC Frontiers Review of quantitative and functional lung imaging evidence of vaping related lung injury Vaping Associated Lung Injury: A Review