Doctor discusses the FDA approval of marketing formerly banned Juul e cigarettes Thousands of unauthorized vapes are pouring into the US despite the FDA crackdown on fruity flavors AP News New Study Looks At E Cigarettes And Quitting Utah Public Radio 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