The U.S. Food and Drug Administration issued a warning this past week about the effect that magnets in some cell phones and smartwatches can have on pacemakers and other implanted medical devices.

This weekend Gianna Chien reported on her work to more than 8,000 doctors at the Heart Rhythm Society meeting in Denver. Chien's study was based on a science-fair project that didn’t even win her ...

Some specialists believe there’s an even easier solution. Manuel Martínez-Sellés, head of Acute Cardiac Care at Madrid’s ...