FDA: Juul Illegally Marketed Vapes as Safer Than Cigarettes Juul warned over claims e cigarette safer than smoking E cigarette flavored pods induce inflammation, epithelial barrier dysfunction, and DNA damage in lung epithelial cells and monocytes Scientific Reports JUUL Design Life Cycle Increase in youth e cigarette use happened at same time as increased JUUL sales PICRYL Public Domain Media Search Engine Public Domain Search