DYK? Vaping coats lungs with potentially harmful chemicals. This can include chemicals such as: Diacetyl: This food additive, used to deepen e cigarette flavors, is known to damage small passageways in the lungs. E cigarette, or Vaping, Product UseAssociated Lung Injury Among Clusters of Patients Reporting Shared Product Use Wisconsin, 2019 MMWR FDA rules six Vuse Alto e cigarettes can no longer be sold in the US The Independent Fundamentals of vaping associated pulmonary injury leading to severe respiratory distress Life Science Alliance