A recent report on the results of a series of unannounced “vape shop” visits by federal inspectors raises questions about quality-assurance in the preparation of some e-cigarette products.

Vape shops typically sell products, including electronic nicotine delivery devices and “e-liquids” solutions that are atomized by heating elements within the devices. When inhaled, the resulting vapor delivers nicotine, flavorings and other additives to the user. Continue reading →

Mary Otto, a Washington, D.C.-based freelancer, is the author of "Teeth: The Story of Beauty, Inequality, and the Struggle for Oral Health in America."