The FDA is allowing vaping brand Juul to keep its e cigarettes on the market. Studies from Juul show its e cigarettes are less harmful for adult smokers, who can benefit from switching completely Nearly Half of JUULpods Contain Lung Toxin Study Says What is a Juul? It's a trend parents need to know about Prevent Cancer Foundation urges FDA to move quickly on review of Juul products Juul to pull popular fruity e cigarette flavors in bid to curb teen use Vaping The Guardian JUUL Side Effects: What Are the Health Risks?