JUUL electronic cigarette products linked to cellular damage UCR News UC Riverside Vaping Student Health & Well Being Vaping may look harmless with fruity flavors and sleek devices, but it is more addictive and more damaging than smoking. More than 1.6 million teens are vaping, according to the Centers for Potentially Hazardous Bacterial Contamination Found in Juul Vaping Products Respiratory Therapy Juul devices cited in seizure reports that started FDA probe Los Angeles Times