'In the 1980s, audiologists began cautioning lovers of loud music about hearing loss that could potentially result from use of their Walkman or portable compact disc (CD) players. More than thirty years later, the integration of portable digital devices that play music are more abundant than almost every other electronic device in the world, and all of them have an earphone jack. Scientists from the University of Leicester have shown for the first time how noises louder than 110 decibels (dB) cause cell damage which ultimately leads to hearing loss.'
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