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(36) devices are changing the way people listen to music, but studies show the devices may be (37) hearing loss in many people. Some experts say people may be (38) them too loud and for too long.
A study (39) three hundred high school students and one thousand adults. They were asked about their use of (40) . music devices.
Forty percent of students and adults said they set the sound levels, or volume, at high. Students were two times more likely to play the music at a very loud volume. More than half of the students said they would (41) not limit their listening time, and about a third said they were not likely to reduce the volume.
The study found that more than half of the students and less than forty percent of the adults had at least one kind of heating loss. Some (42) difficulty heating parts of a (43) between two people. (44) . Hearing loss may not be apparent for years. But once it happens, it is permanent.
(45) . They say large earphones that cover the whole ear are probably safer than the smaller ear buds that come with most music players.
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