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The MP3 Generation: At Risk for Hearing Loss?

Experts discuss the possible risk to hearing from listening to MP3s for long periods of time.

Longer Listening, More Damage continued...

"Every time you increase a sound level by three decibels, listening for half as long will produce the same amount of hearing loss. The kid who cuts my grass uses an iPod. The lawn mower noise is about 80 to 85 decibels. If he likes listening to his iPod 20 decibels above that, he's in the range of 100-105 decibels. At that sound level he shouldn't listen for more than eight to 15 minutes."

But if he's like millions of other iPod owners, the boy probably listens for several hours a day, placing a large noise burden on his hearing even if he turns it down when he's not cutting grass.

Put a Lid on It

Limiting the volume of MP3 players may seem like an obvious solution.

Devices, such as the Kid'sEarSaver, claim to reduce the sound output of listening devices, such as MP3 and CD players. Inventor Tom Metcalfe tells WebMD that Kid'sEarSaver reduces sound by more than 15 decibels.

"That's enough to give parents some peace of mind," says Metcalfe.

Also, France and other European countries have enacted laws that limit the volume of iPods and other devices to 100 decibels.

But Fligor believes such efforts produce a false sense of safety.

"Capping the volume focuses on the sound level, not the dose," he said. "If you set the cap at 100, that doesn't give you license to listen all day."

Besides, as soon as those European nations capped the sound level of iPods, web sites started providing detailed instructions on how to override that limit.

Dealing With Denial

The simple fact is that young people like their music loud and seldom believe that hearing loss is a serious danger.

A recent study in Pediatrics reported that of the nearly 10,000 people who responded to a survey posted on the MTV web site, only 8% considered hearing loss "a very big problem."

That was below sexually transmitted diseases (50%), alcohol and drug use (47%) and even acne (18%). While 61% said they had experienced ringing in their ears or other hearing problems after attending rock concerts, only 14% said they had used ear protection.

Even when they believe hearing loss is a danger, many young people still refuse to turn down the music.

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