New strong evidence that Juul is more toxic to lungs and hearts than earlier e cigs Stanton Glantz blog FDA reverses marketing ban on Juul e cigarettes The FDA agreed to allow the sale of Juul's tobacco and menthol flavored e cigarettes after ordering them to temporarily remove its products from the market three years ago. FOX 5 reports on the E Cigarettes Vaping with Juul & Other Electronic Cigarettes