How to Protect Your Child's Hearing


by Susan Dunn

5.2 million 6-19 year old have hearing loss directly related to noise exposure*. Don't let your child be part of this unfortunate group.

*According to the 3rd National Health and Nutrition Examination Survey [Niskar, 2000]. Reported on Dangerous Decibels.

PEACE & QUIET

"Offer your child peace and quiet," says the Noise Center. "Noise poses a serious threat to children's hearing, health, learning and behavior." (And I can't think of an adult who functions well in a noisy environment either.) "Peace" and "quiet" usually go together because without "quiet" there can be no "peace."

Aside from turning down the TV and stereo, lowering your voice, and providing the opportunity for quiet time in both their work and leisure, take a look at the toys you allow your children to play with.

Fortunately my children didn't suffer hearing loss from the obnoxiously loud toys they played with, but I must admit I told them to quit for my sake, not theirs, and I was always standing a good bit father away from their toy than they were. One father I know immediately disarms any noise-making function on a toy his child receives, and this may not be a bad idea.

And because they're young doesn't work in this case. You might assume, for instance, that your teenager can take that 85 decibels (dB) music because he's a teenager, but that isn't the case. Children's ear canals are shorter than adults, and therefore more vulnerable to damage in this way.

A study conducted by the Henry Ford Health System found that many current toys, including tape recorders, bike horns, cap guns, and toy telephones, are not safe for your child's hearing. Of the 25 they tested, more than half of them made sounds higher than 115 dBs.

According to The National Institute for Occupational Safety and Health, at 110 dB, the maximum undamaging exposure time is one minute and 29 seconds.

NOTE: In researching this article I found a variety of decibels, as well as length of exposure before damage and also read studies saying that individuals varied in their tolerance for noises. The data is not consistent, but will give you a range. Should you be wondering what protection to take when, ask your personal healthcare professional for medical advice.

PERMANENT INSTANT DAMAGE

The ear is more unforgiving than you may know. A loud enough noise can cause instant, permanent damage, some noises can cause damage if heard long enough, and there is also cumulative effect over time. Prevention is crucial because noise-induced hearing loss can't be corrected, and hearing aids don't do much good.

Sound is vibration and has three properties: intensity, frequency and duration. "Intensity" is what is measured in decibels (dBs). A measure called dBA indicates damage to hearing. The higher the dBA number, the greater the risk of damage to hearing. This is because intensity translates to pressure on the eardrum.

What sound has what dBs? There is a long list of dBs (which they equate with dBAs) on the League for the Hard of Hearing website ( http://www.lhh.org/noise/decibel.htm ), including various recreational and work situations. A noisy squeeze toy rates an alarming 135dB from them.

"Noise levels above 85 dB will harm hearing over time," they caution, and "noise levels above 140dB can cause damage to hearing after just one exposure." 140dB is also the pain threshold; most of us hearing a sound at this level will feel it as well. All values are approximate.

According to http://www.dangerousdecibels.org , harm can occur with 103 dBs after 7.5 minutes, 106 dBs after less than 4 minutes, 109 dBs after less than 2 minutes, and 115 dBs after around 30 seconds.

Here is a list of sounds and the decibels to give you an idea:

According to the Noise Center, musical toys measure over 110 decibels, comparable to many power tools.

TEENS

With your teenagers, pay special attention. So many of the things they love are not advisable:

If you take your kids hunting or to the shooting range, take the hearing protectors along. Firearms are all high and a single exposure can cause permanent hearing loss. Examples, 12-guage shotgun, 150-165 dB, shotgun, 163-172 dB, rifle, 143-170 dB. Most firearms start at 100 dB and can go as high as 190 Db.

You may also assign your older child or teenage chores involving power tools which require supervision for safety, including hearing safety.

Also note than a firecracker can cause immediate damage.

RECREATION

Two other things children and teens like should be monitored. Noise levels at video arcades can exceed 100 decibels (similar to factory machinery), and computer games and stereo systems can go as high as 135 dB (the level of a jackhammer), with car stereos reaching up to 154 dB, and an action movie is generally beyond 90 dB.

No one knows exactly what level damages a child's ears, but the Noise Center's Rule of Thumb is: IF YOU HAVE TO SHOUT TO BE HEARD THREE FEET AWAY, THE NOISE IS TOO LOUD AND IS DAMAGING TO YOUR HEARING.

Don't let your child become a statistic. According to Dangerous Decibels, approximately 30 million Americans have hearing loss, and 50 million have tinnitus, an early indicator. According to a study done by Montgomery and Fujukawa in 1992, "Over the last 10 years, the percentage of 2nd graders with hearing loss has increased 2.8 times; hearing loss in 8th graders has increased over 4 times."

Check with your child's pediatrician for specific information. This is not medical advice.

WHAT CAN YOU DO?

  1. Educate yourself about noise levels
  2. Provide your child with peace and quiet
  3. Make it clear you value peace and quiet
  4. Counteract that "loud is cool"
  5. Ask your local theater to lower decibel levels
  6. Provide ear protection
  7. Model good hearing protection
  8. Include instruction the same way you do when you tell them brushing their teeth twice a day prevents tooth decay
  9. Turn down the volume of everything at home and tell your child why you' re doing it


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About the Author

Susan Dunn, MA, The EQ Coach, http://www.susandunn.cc . Susan offers coaching, distance learning courses, and ebooks around emotional intelligence for your personal and professional development. She also trains and certifies EQ coaches. Free ezine: sdunn@susandunn.cc. Get Daily EQ tips; send a blank email to EQ4U-subscribe@yahoogroups.com.

You too can get in this field (dubbed "white hot" by the press) now before it's crowded, and offer your clients something of real value. Start tomorrow, no residence requirement, global student body. Email for prospectus. Business programs - http://www.webstrategies.cc/eit.htm .




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