Magnets in Cellphones, Smartwatches Might Affect Pacemakers, FDA Warns

The U.S. Food and Drug Administration is warning that strong magnets in some cellphones and smartwatches can interfere with pacemakers and other implanted medical devices.
Studies have shown that these high-strength magnets may cause some implants to switch to “magnet mode,” stopping normal functioning until the magnet is moved away from the device.
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