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 Juul Labs: Advancing the Scientific Dialogue About Tobacco Harm Reduction Food and Drug Law Institute (FDLI) Is Juul the new big tobacco? Wave of lawsuits signal familiar problems Smoking The Guardian Vaping Ban: Is This the Beginning of the End for Juul? GQ What's really inside a vape? Many people think vaping is just flavored vapor, but the aerosol from e cigarettes can contain harmful substances that go straight into the lungs. According to the