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Music-induced hearing loss
hether it's rock, classical, hip hop, or something in between, at certain sound levels, repeated exposure to music can cause permanent hearing loss and/or ringing in the ears known as tinnitus. Recent studies by NIOSH researchers and others at nightclubs and other music venues show that all employees studied, regardless of occupation (waiters, bartenders, DJs, etc), were exposed to noise levels above the internationally recommended limits of 82-85 dB(A)/8 hours and were at a higher risk of developing hearing loss and/or tinnitus. A new term, music-induced hearing loss, has been coined to reflect this growing condition.

Source : http://www.cdc.gov/niosh/blog/nsb012511_music.html

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