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Cause and Effects of Noise Pollution
http://darwin.bio.uci.edu/sustain/global/sensem/S98/Nunez/Noise.html
“Almost everyone has had one experience of being temporarily “deafened” by a loud noise. This “deafness” in not permanent, although it is often accompanied by a ringing in the ears, and one can hear another person if he raises his voice. Likewise, normal hearing comes back within a few hours at most. This sort of partial hearing loss is called Temporary Threshold Shift (TTS) (Bugliarello, et al., 1976). A TTS may be experienced after firing a gun or after a long drive in the car with the windows open. It may not be considered that if exposure to this type of loud noise at a rate of eight hours a day, five days a week can is a threat to…”
