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 ...

In late November, ResMed issued a safety notice warning that some of the masks used with its CPAP machines contain magnets that could potentially interfere with pacemakers, neurostimulators and other ...

Warnings about magnets and gadgets have been passed down like tech folklore, often without much explanation. The reality is more nuanced: some electronics are genuinely vulnerable to magnetic fields, ...