FDA orders Juul e cigarettes off the market over safety concerns The Washington Post Pod e cigarettes less harmful than regular cigarettes, new study finds Brown University UCSD study shows e cigarettes inflame organs including the lungs and the brain KPBS Public Media St. This vaping device, called a JUUL, might look like a USB drive, but it contains nicotine and other harmful chemicals. Alarmingly, this easily hidden device and its enticing vapor flavors, like Side Effects of Juul, Other Vaping 'Pods' Expose Teens to High Nicotine Levels: Study AboutLawsuits.com