Health concerns surrounded vaping long before recent deaths Anchorage Daily News 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. When you vape, you aren't just inhaling vapor. Vape juice also contains addictive nicotine and other toxins! #EliminateTobaccoUse and keep e cigs out of your lungs. [Source: CDC] JUUL Is Unsafe. We Want You to Know Why. Students and Vaping Why Teens Vape and JUUL Health Risks Do Juul Pods Have Diacetyl FDA warns Juul, says it marketed vapes as less harmful than