One Juul pod contains the same amount of nicotine as a pack of 20 cigarettes. #NDAFW #drugfacts Not just water vapor: why e cigarettes are so dangerous PUBLIC HEALTH INSIDER 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. Diacetyl In Juul Pods Juul Pods 6pk Case Do Juul Pods Have Diacetyl FDA reverses order taking Juul vaping products off the market in 6 important facts about JUUL