FDA reverses order taking Juul vaping products off the market in US, opens door to possible authorization ABC News FDA rescinds ban on Juul e cigarettes Juul e cigarettes win FDA authorization, sources say 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. Are JUUL Flavors Coming Back? A 2025 Guide for Adult Vapers