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 Cigarettes and Vaping OHSU F.D.A. Authorizes E Cigarettes to Stay on U.S. Market for the First Time The New York Times Battling unregulated vapes, Big Tobacco tries a new strategy: joining in FDA rules six Vuse Alto e cigarettes can no longer be sold in the US The Independent Impact of vaping on respiratory health The BMJ