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 FDA Reopens Review of Juul Vapes After Rescinding Ban Respiratory Therapy The FDA's Juul Ban May Not be a Pure Public Health Triumph FDA officially bans Juul e cigarettes in the U.S.: Here's why nj.com