Can fruit flavored nicotine vapes be safe despite their appeal to kids? , , The FDA recently granted approval for a company to market mango, blueberry, and menthol flavored vapes, despite concerns The Effects and Safety of Propylene Glycol & Vegetable Glycerine Pod Salt UK Propylene glycol, a component of electronic cigarette liquid, damages epithelial cells in human small airways Respiratory Research Springer Nature Link About E Cigarettes (Vapes) Smoking and Tobacco Use CDC Teen Health Info : Vaping everything you need to know