E cigarette flavored pods induce inflammation, epithelial barrier dysfunction, and DNA damage in lung epithelial cells and monocytes Scientific Reports Juul Ban: Adult Ex Smokers Say They May Pick Cigarettes Back Up Do Juul Pods Have Diacetyl The Promise of Vaping and the Rise of Juul Do Juul Pods Have Diacetyl Study: Juul Pods Contain Caffeine. What's It Doing There, And What Does It Do? Not just water vapor: why e cigarettes are so dangerous PUBLIC HEALTH INSIDER