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. The Truth About What Vaping Is Doing to Your Body American Lung Association Vaping harms your health Cancer Institute NSW Fundamentals of vaping associated pulmonary injury leading to severe respiratory distress Life Science Alliance Cases of Vaping Related Lung Illness Surge, Health Officials Say The New York Times FDA allows marketing of Vuse tobacco flavored vapes