The FDA recently issued a marketing denial order for all Juul products, which was quickly reversed when Juul filed for a temporary stay. Dr. Joanna Cohen talks with Stephanie Desmon about why e-cigarettes are regulated like cigarettes and not pharmaceuticals despite their initial introduction to the market as a smoking cessation tool, where gains have been made in reducing popularity with youths, and why other tools like nicotine replacement therapy have not been able to live up to their promise to help more people quit smoking.