E Cigarettes Vaping with Juul & Other Electronic Cigarettes Potential Juul ban will boost other vaping brands, retailers and customers say Iowa Capital Dispatch JUUL More Dangerous Than Cigarettes! Study: Juul Pods Contain Caffeine. What's It Doing There, And What Does It Do? JUUL Pod Ingredients: What's in E Cigarettes? E cigarette flavored pods induce inflammation, epithelial barrier dysfunction, and DNA damage in lung epithelial cells and monocytes Scientific Reports