Juul’s Marketing of Device May Have Violated Law, FDA Says (1)

Juul Labs Inc. was warned by U.S. health officials that it may have violated the law by making claims its e-cigarette devices are safe. The letter increases pressure on the richly valued company at the same time a mysterious lung ailment is raising new questions about the health effects of vaping.

The Food and Drug Administration sent Juul a warning letter on Sept. 9 that said the agency had determined that the company has marketed its products as less risky than cigarettes without gaining the agency’s approval. Juul has pitched its sleek, USB-like vaping device as a way for adults ...