FDA scrutinized for lack of studies showing how e cigarettes may reduce smoking related deaths Fox Business Appeals Court Presses FDA on Flavored Vape Study Requirements FDA Sample Collection Criteria and Information for Vaping Related Incidents FDA 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 Thousands of unauthorized vapes are pouring into the US despite the FDA crackdown on fruity flavors AP News E cigarettes damage blood vessels even if devices don't contain nicotine, study finds Fox News