This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Ryan Knutson: In 2019, parents, public health officials, and politicians were all ...

Little is known about the company behind the most popular e-cigarette brand among high school and middle schoolers. For two years, Puff Bar has been operating in the shadows. It listed its mailing ...

While the F.D.A. has the authority to decide whether or not products that contain nicotine that comes from tobacco are sold, it does not have the same authority over synthetic nicotine products.