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Sounds of summer can be a danger to hearing

Date:
June 25, 2012
Source:
Loyola University Health System
Summary:
Hearing can be permanently damaged by loud summer noises such as fireworks, marching bands, construction and the like. An audiologist explains decibels for common sounds and offers tips and expertise to safeguard hearing.

Summer is one of the noisiest seasons. "Fireworks, trains, concerts and road construction can be harmful to your hearing. And once hearing is damaged, it cannot be repaired," said Jyoti Bhayani, a certified audiologist at Gottlieb Memorial Hospital, part of Loyola University Health System.

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One in 10 Americans has hearing loss that affects their ability to understand normal speech. Aging is the most common cause of this condition. However, exposure to excessive noise also can damage hearing in higher pitches.

"Hearing loss due to excessive noise is totally preventable, unlike hearing loss due to old age or a medical condition," Dr. Bhayani said.

Here are the registered levels for common sounds in Chicago*:

  • 30 decibels -- soft whisper
  • 50 decibels -- rain
  • 60 decibels -- normal conversation/computer typing
  • 70 decibels -- expressway traffic
  • 85 decibels -- earplugs recommended for prolonged exposure at this level
  • 90 decibels -- subway/"el" train, lawnmower, shop tools
  • 100 decibels -- chainsaw, snowmobile, drill
  • 110 decibels -- power saw
  • 115 decibels -- loud rock concert, sandblasting, car horn
  • 130 decibels -- race car
  • 150 decibels -- fireworks/jet engine takeoff
  • 170 decibels -- shotgun

*American Academy of Otolaryngology -- Head and Neck Surgery

Music to my Ears, or Just Plain Noise? "It is important to know the intensity of the sounds around you," said Dr. Bhayani, who regularly cares for construction and factory workers, frequent air travelers and seniors in her practice at Gottlieb Memorial Hospital. "I recommend using hearing protection devices for those who are exposed to excessive, loud noises and musician's earplugs, which simply attenuate the intensity/loudness without altering frequency response."

Loud Noise Permanently Kills Ear Nerve Endings Three small bones in the middle ear help transfer sound vibrations to the inner ear where they become nerve impulses that the brain interprets as sound. "When noise is too loud, it begins to kill the hair cells and nerve endings in the inner ear," Dr. Bhayani explained. "The louder a noise, the longer the exposure, and the closer you are to the noise source, the more damaging it is to your nerve endings, or your hearing." As the number of nerve endings decreases due to damage, so does your hearing. Nerve endings cannot be healed or regenerated and the damage is permanent.

Ear Bud Warning Use of ear bud headphones by youngsters may save your ears from being assaulted by the noise of your teenagers' music or electronic game, but it may be damaging your child's hearing.

"Three in five Americans, especially youth, are prone to develop hearing loss due to loud music being delivered via ear buds," said Dr. Bhayani.

Here are a few summertime tips from Dr. Bhayani:

• Cover your ears: "Generic, over-the-counter earplugs are inexpensive and can be found at any drugstore," Dr. Bhayani said. "However, they can be custom-made for comfort and durability. Buy earplugs now and keep them handy in wallets, backpacks, briefcases and purses so you can pop them in when noise is loud and continuous." Dr. Bhayani also suggests using a scarf or even covering your ears with your hands to muffle sound.

• Swimmer's ear and cotton swabs: "Swimmer's ear is caused by painful membrane swelling due to trapped moisture in the outer ear," Dr. Bhayani said. "Multicolor customized plugs for swimming are available and a good investment to avoid painful, or costly, ear infections." After swimming, Dr. Bhayani recommends tilting the head to drain water from each ear and gently wiping the outer ear with a towel. Do not use cotton-tipped swabs to clean ears. "Swabs can actually push wax or harmful material farther into ears, and many people use them improperly or too forcefully, which can cause pain or damage."

• The plane truth: Many air travelers complain about ear discomfort when the plane is taking off or landing. "Yawning, swallowing, chewing gum and sucking on hard candy also are effective in unplugging the ears," Dr. Bhayani said. If yawning and swallowing are not effective, pinch the nostrils shut, take a mouthful of air, and direct the air into the back of the nose as if trying to blow the nose gently. This may have to be repeated several times during the plane's descent.


Story Source:

The above story is based on materials provided by Loyola University Health System. Note: Materials may be edited for content and length.


Cite This Page:

Loyola University Health System. "Sounds of summer can be a danger to hearing." ScienceDaily. ScienceDaily, 25 June 2012. <www.sciencedaily.com/releases/2012/06/120625162911.htm>.
Loyola University Health System. (2012, June 25). Sounds of summer can be a danger to hearing. ScienceDaily. Retrieved December 21, 2014 from www.sciencedaily.com/releases/2012/06/120625162911.htm
Loyola University Health System. "Sounds of summer can be a danger to hearing." ScienceDaily. www.sciencedaily.com/releases/2012/06/120625162911.htm (accessed December 21, 2014).

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