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. FDA Rescinds Marketing Ban On Juul E CigarettesProducts Back Under Review JUUL Labs to End Sale of Mint Flavored Products Juul Original Flavors JUUL Vape Device Starter Kit Includes Pods What is next for Juul after FDA temporarily suspends ban of its e cigarettes and other products? Good Morning America