09. In the past it was laborers in noisy factories and soldiers using firearms who lost their hearing. Now it is young people who crank up the sound on their personal music players. A generation of children and young adults are risking deafness in middle age and beyond by listening to their iPods and MP3 players at high volume for several hours a day, a specialist warned. Inserting earphones into the ear canal intensifies the volume which can reach over 120 decibels, equivalent to the noise from a jet engine, according to Professor Peter Rabinowitz of the Occupational and Environmental Medicine program at Yale University. Deafness, including mild to moderate hearing loss, is one of the commonest chronic medical conditions in older people and the most frequent cause is excessive long-term exposure to noise which damages the hair cells in the inner ear. The Royal National Institute for the Deaf said two thirds of MP3 player users listened to music at volumes greater than 85 decibels. Several small studies have found a link between use of the players and poorer hearing in young people. But evidence on whether young people as a whole are losing their hearing faster than previous generations is mixed-probably because the use of the players has only recently become ubiquitous. One of the effects of using an MP3 is that...

Question

09. In the past it was laborers in noisy factories and soldiers using firearms who lost their hearing. Now it is young people who crank up the sound on their personal music players. A generation of children and young adults are risking deafness in middle age and beyond by listening to their iPods and MP3 players at high volume for several hours a day, a specialist warned.   Inserting earphones into the ear canal intensifies the volume which can reach over 120 decibels, equivalent to the noise from a jet engine, according to Professor Peter Rabinowitz of the Occupational and Environmental Medicine program at Yale University.  Deafness, including mild to moderate hearing loss, is one of the commonest chronic medical conditions in older people and the most frequent cause is excessive long-term exposure to noise which damages the hair cells in the inner ear. The Royal National Institute for the Deaf said two thirds of MP3 player users listened to music at volumes greater than 85 decibels. Several small studies have found a link between use of the players and poorer hearing in young people. But evidence on whether young people as a whole are losing their hearing faster than previous generations is mixed-probably because the use of the players has only recently become ubiquitous. One of the effects of using an MP3 is that...

Answer

It delays the onset of deafness

Answer

The volume will be perceived as louder than normal

Answer

It damages the environment

Answer

The volume is more intense than the sound of a jet engine

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09. In the past it was laborers in noisy factories and soldiers using firearms w...

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