JUUL Labs The Rise (and Stumble) of the E Cigarette Giant Juul can continue to sell e cigarettes, FDA says New strong evidence that Juul is more toxic to lungs and hearts than earlier e cigs Stanton Glantz blog Juul vape: What is it, why are teens addicted, and is it safe? CNET Is JUUL More Harmful Than Cigarettes? Understand the Risks F.D.A. Approves Juul Vapes After Yearslong Delay The New York Times