Using MP3 players at high volume puts teens at risk for early hearing loss, say researchers

Using MP3 players at high volume puts teens at risk for early hearing loss, say researchers: Today's ubiquitous MP3 players permit users to listen to crystal-clear tunes at high volume for hours on end -- a marked improvement on the days of the Walkman. But according to new research, these advances have also turned personal listening devices into a serious health hazard, with teenagers as the most at-risk group.