WASHINGTON -- The first peek at a major study of how Americans smoke suggests many use combinations of products, and often e-cigarettes are part of the mix. It's a preliminary finding, but it ...

Experts debate e-cigarettes' role in smoking cessation and public health at ERS Congress 2025, weighing benefits against potential risks and regulatory needs. A lively pro-con session on e-cigarettes ...

E-cigarettes work by heating a nicotine solution, or e-liquid, which contains, in addition to flavoring, a substrate called propylene glycol. The U.S. Food and Drug Administration generally regards ...