Heart Rhythm journal reports that close contact with devices using neodymium magnet may destabilise the life-saving heart devices like pacemakers and other implanted heart devices. Noedymium magnets are very strong.
Fridge magnets and decorative jewellery could be a killer if you have a weak heart, Swiss researchers at the University Hospital of Zurich warn. Magnets used in some headphones and computers could pose a deadly risk to heart patients.
The authors suggest manufacturers include a health warning on products.
Ordinary iron or ferrite magnets, which are a dull grey colour with a low magnetic strength, are of little concern.