中高校生におけるヘッドホン難聴の存在について

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  • Hearing Loss due to Headphones among Junior and Senior High School Students

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The author has been the school doctor at two junior high schools with a combined student enrollment of 1680, and one senior high school with 959 students.<BR>According to the results of a hearing test, three senior high school boys were shown to have hearing loss. All three had been listening to the “Rock music” with 94-100 dB SPL (A) for 2-4 hours a day, for the last 3-5 years. The quantity of noise exposure was sufficient to cause chronic sound trauma judged by my previous TTS2 experiment, etc.<BR>It has been more than ten years since the Walkman R has been on the market. Also environmental noise has been increasing. Taking these things into consideration, it will be necessary to consider hearing loss caused by the use of headphones.

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