MP3 players should carry warnings that users risk damage to their
hearing by having the volume too high, a deafness charity says.

A Royal National Institute for Deaf People poll of 10s of MP3 users at
one London station found eight out of 10 had machines at more than 80
decibels.
The charity says young people should be warned that they are risking
premature hearing damage.
It said there had been some interest in the idea from industry.
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