Parents annoyed by the loud music that their teens listen to might have good reason to worry.
About 20 percent of American kids aged 12 to 19 have some degree of hearing loss, a national survey found. And, according to the World Health Organization, 50 percent of people up to age 35 are at risk as well.
Technology is partly to blame. Loud music from car radios, CD players and concerts were bad enough, hearing experts say. But now, earbuds have amped up the problem as they deliver sound directly into the ear canal. Also, cellphones and personal audio players allow nearly nonstop listening.
This can lead to high-frequency hearing loss. That's the type of hearing damage that gunshots and similar loud noises can cause.
Research has shown, though, that this type of hearing loss is usually not detected by the routine hearing tests often given at schools. Those are the tests that ask you to raise your hand when you hear a tone. Instead, those tests screen mainly for low-frequency loss. That's the type typically seen in younger kids, caused by ear infections.
Also, the questions asked during school screenings aren't specifically developed for kids or current listening habits, according to pediatric hearing experts from Penn State University. They're developing tests that would better identify high-frequency hearing loss.
In the meantime, parents worried about possible hearing loss in a child (or themselves) should ask their doctor about seeing a hearing specialist, called an audiologist.
Safer listening habits also can help. The American Academy of Pediatrics recommends that kids:
As one pediatrician said: "As a dad, I used to say to my own kids, 'If I can hear it, it's too loud.'"
The Nemours Foundation has more on earbuds and hearing.
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