Move along, nothing to see here.<p>This is intentional design feature of implantable devices.<p>Most implantable devices have special feature that they can be deactivated with a magnet. This allows them to be easily deactivated without any special equipment, in case they malfunction or when in care of medical staff that don't want the device to interfere.<p>Any person wearing one will know not to put any electronic device close to the implant, anyway.<p>This has been discussed on HN multiple times. There are many household devices producing stronger magnetic fields, for some reason "Henry Ford cardiologists" did not find them objectionable.