Juul Labs launches new Juul2 pod flavours Better Retailing Juul Gets Temporary Reprieve to Keep Selling Its E Cigarettes The New York Times Juul allegedly shipped 1 million contaminated vaping products Vox JUUL fails to remove all of youth's favorite flavors from stores UCSF adds 213,762 new documents to Juul collection, bringing total to 2.6 million Stanton Glantz blog 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.