Half of MP3 Players' Users Could Become Deaf

The Royal National Institute for the Deaf (RNID) has published a survey that showed that nearly seven out of ten people that listen to music through portable MP3 players are at risk of losing their hearing because of the high sound levels. The great majority of those interviewed listened to music at more than 85 db which corresponds to the city traffic inside a car; more worrying is the fact that one person in the sample listened to music at 118 db for an hour a...