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How A Noise Can Affect For Hearing – Keep Your Ears Safe

Posted on | July 13, 2011 | No Comments

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We live in a world of sound. Each day we get exposed to sounds that provide information about the world around us. Most of these sounds are safe and will not cause any lasting damage to your ears. However, it is critical to know how a noise can affect for hearing in order to take precautions to make sure that our eardrums do not get damaged by the sounds around us.

Dangerous noises, like those that might be excessively loud or which continue for too long a time, can result in damage to the sensitive parts of the inner ear. These parts change the sounds’ energy into electric impulses which are sent to the brain. If these parts get damaged, the impulses are not delivered, and the parts themselves are unable to repair themselves.

Noise induced hearing loss (NIHL) can result from one exposure to extreme sound. One great example of this would be a big explosion. If you’ve ever gotten tinnitus or brief deafness following a very loud sound, then you’ve experienced the sort of sound that causes damage to a person’s ability to hear.

The unit of measurement of sound is the decibel. Traffic on city streets averages about 85 decibels. NIHL can be caused by sounds reaching around 120 to 150 decibels or more and include things such as motorcycles and firearms. NIHL can be caused by excessive exposure to a sound greater than 85 decibels.

A common result of exposure to high decibels is tinnitus. This is a ringing or buzzing that is heard in the ear and may be sporadic and sudden or permanent and ongoing. For many of those who suffer from this ailment, it’s only a nuisance, but others can see a huge impact in their lives, to such a degree that their sleep is affected.

Any diminishing in somebody’s ability to hear could be either permanent or temporary. It might get worse over time according to the sound level they are exposed to. Temporary disabilities, called temporary threshold shifts, usually disappear after a day or so.

A more gradual decrease in the ability to hear is brought on by repeated exposure to high decibels and will become more and more pronounced. Sounds become muffled and distorted, and it may be difficult to understand speech. Because it is often gradual, people do not notice the change in their ability to hear until it is too late. If preventative measures are not taken, then eventually a person will no longer be able to hear at all.

NIHL can be prevented. Be aware of the types of noises that can be dangerous, and wear earplugs or ear protection while engaged in loud activities. Watch out whenever you are in a situation where high decibels may occur. Don’t play your iPod too loudly.

NIHL is cumulative. It is completely avoidable if the right preventative measures are taken and you stay smart. Ringing ears, or tinnitus, and trouble with understanding people talking in crowded restaurants are good indications that you might have experienced how a noise can affect for hearing. If you think you might be developing NIHL, contact your doctor and get an ear test done.

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