Navajo Hearing System Review Children who
hear well are best equipped to develop their language and
communication ability during the crucial first couple of years. To
this end, it is very important to prevent noise induced hearing loss
an impairment which unfortunately affects more than 10% of kids in
the age group from 6 to 19 in the United States.
Excessive
noise can damage our sense of hearing by damaging the sensitive hair
cells in our inner ear which are responsible for converting sound in
to electrical signals. The bad news is that this damage can be
permanent, and potentially have a large impact on the development of
affected children for the rest of their lives. Fortunately, we can
protect our children from NIHL by not exposing them to excessive
noise, and make then wear good ear muffs whenever they attend noisy
events.
When does
sound become dangerous? The higher the intensity of a sound, the
shorter the time before it becomes damaging. Normal household noises
such as chat and laughter, food processors, and vacuum cleaners tend
to be safe even if a person is exposed to them for a long time.
However, already the exposure to the noise of common power tools such
as drills becomes potentially dangerous after 10 minutes. The average
rock concert, motor sport race, or speed boat can damage a child's
ear in less than 2 minutes. Some sounds like gun shots, fireworks at
a close distance, and jet http://google.ning.com/reviews/navajo-hearing-system-book-review planes can immediately inflict damage on
the ear's hair cells and the auditory nerve.
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