What Does A JUUL Really Do To Your Body? Franciscan Health One Juul pod contains the equivalent nicotine of 20 cigarettes a highly addictive amount. Today, some e cigs can contain more nicotine than *200 cigarettes.* Join us in sending a message to Do Juul Pods Have Diacetyl Study: Juul Pods Contain Caffeine. What's It Doing There, And What E cigarette flavored pods induce inflammation, epithelial barrier dysfunction, and DNA damage in lung epithelial cells and monocytes Scientific Reports