MP3 player headphones interfere with pacemakers

MP3 player headphones interfere with pacemakers
U.S. Researchers have found out that the headphones which are used with portable media players can interfere with the heart pacemakers and implantable defibrillators.
The portable media players themselves are no problems for the people who have these implanted in their bodies.
But the headphones which are used with these players [...]