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. Risk assessment of inhaled diacetyl from electronic cigarette use among teens and adults ScienceDirect A Warm, Buttery Flavor and a Risk of Irreversible Lung Damage How do I figure out if my vape juice contains diacetyl or not? : r Vaping Best Diacetyl Free E Juices 2026 Vaping360 Beginner's Guide to Vape Mods RED Box Vape Red Box Vape