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One of the most common types of hearing loss is noise-induced hearing loss, caused by long-term exposure of auditory system to a noisy environment. The hearing loss and tinnitus caused by noise seriously affect people’s quality of life. Noise can damage the sensitive sensory hair cells within the ear, auditory nerves, or other parts of your ear. Damage from noise can happen over an extended time period, such as someone working with loud machinery or attending concerts. Damaging noises can also be brief but intense, such as a gunfire. Both the intensity (volume) and the duration of noise exposure determine the potential for damage to the hair cells of the inner ear. The louder the sound, the shorter the amount of time it takes for hearing loss to happen. Although the sensitivity of each individual is different, experts agree that a safe limit is 85 dB and this should not exceed 4 hours/day.
High levels of noise exposure usually come from occupational noise (such as factories) or recreational noise (such as personal music players). More and more young people are at risk of noise-induced hearing loss because of the increasing use of headphones to listen to music.
Besides loud noise, there are many other risk factors which can induce progression of noise-induced hearing loss. Some of these risk factors include smoking, diabetes and lack of exercise, aging, race and genetics. These factors can overlap with noise and accelerate the occurrence of noise-induced hearing loss.
When is loud too loud?
Extended or repeated exposure to sounds exceeding 85 decibels is considered harmful and can lead to hearing loss. It is not uncommon to notice people listening to their iPods at volumes. If the person you’re sitting next to can hear the music escaping from your earphones, it’s too loud.
If you are concerned about noise exposure and your hearing health, you can take action in the following ways:
At The Hearing Specialist, we routinely urge our clients to be aware of the risks of excessive noise exposure and to practice safe listening.
Noise Exposure And Hearing Loss
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