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Hearing loss

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Shawna Bonillas

on 2 April 2015

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Transcript of Hearing loss

What is Noise-Induced Hearing Loss?
How to Develop Hearing Loss for Adolescents
Music concert for a night
A hunting trip
Listening to headphones for a long period of time, too loud
Do You Hear What I'm Sayin?
Statistics About Adolescents Hearing Loss
1988 and 1994, 12% had hearing loss.
2005-2006, it was 16%.
Headphones and "ear buds" are the cause of the increased percentage.
When we are exposed to harmful noises
Basic Facts
48 million Americans over age 12 have hearing loss
expected to double by 2030
Age does matter
18% of adults between ages 45-54
30% of adults between ages 65-74
47% of adults 75 and older
Men are more likely than women to have hearing loss
In the US 3 out of every 1,000 children are born deaf or hard of hearing
About 26 million Americans between ages 20-69 have high frequency hearing loss due to exposure to loud noises at work
About 60% of deployed military service men have noise induced hearing loss
high levels of cotinine have been directly linked to higher risk of some types of hearing loss
How do we hear?
Sound Source
Sound Waves
the chemical that indicates exposure to tobacco smoke and second hand smoke
Sounds that are too loud
Loud sounds that last a long time
Sensitive structures, called hair cells, are small sensory cells that convert sound energy into electrical signals that travel to the brain
Sounds That Cause NIHL
One time exposures
Rocket launch
Jet engine
Continuous exposure
Woodworking shop
Sounds at or above 85 decibels can cause hearing loss
Can NIHL Be Prevented?
NIHL is 100% preventable!
How to protect your hearing:
Know which noises cause damage
Wearing earplugs
Be alert to hazardous noise
How is sound measured?
Units called decibels
Begin at 0
increase of 10 = 10x more intense to your ear
high decibel levels trigger formation of molecules that damage hair cells
High and Low Decibels
Ambulance siren 120 decibels
1 trillion times more intense than the weakest sound
whisper = 30 decibels
normal conversation = 60 decibels
Time and Distance Matters
NIHL is related to how loud the sound is, how much time you spend around the loud sound, and how close you are to the sound.
Sound gets louder as you move closer
Far away from the sound = low intensity
Low intensity = Less potential damage
Talk to your child about lowering the volume.
Consult with your child about wearing foam ear plugs when going to concerts.
Introduce earmuffs to your child when snowmobiling or hunting.
Impact of noise adds up over a lifetime
Loud sounds on a regular basis increases risk for permanent damage
Noise Is Dangerous If...
You're shouting over noisy backgrounds
Ringing in your ears occur
Decreasing or "muffled" hearing several hours after exposure

Parents Can Reduce Hearing Loss

American Speech-Language-Hearing Association. Effects of Hearing Loss on Development. Rockville, MD: American Speech-Language- Hearing Association.
Benson, V., & Marano, M.A. (1995). Current estimates from the National Health Interview Survey, 1993. National Center for Health Statistics. Vital Health Stat 10(190).
Bess FH, Dodd-Murphy J, Parker RA. Children with minimal sensorineural hearing loss: prevalence, education, performance, and functional status. Ear and Hearing 1998;9:339-354.
Blanchfield, B.B., et. al. (2001). The severely to profoundly hearing-impaired population in the United States: Prevalence estimates and demographics. Journal of the American Academy of Audiology, 12, 183-189.
CDC/NIOSH. Noise and Hearing Loss Prevention. Cincinnati, OH: U.S. Department of Health and Human Services; 1998.
Lass NJ, Woodford CM, Lundeen C, Lundeen DJ, Everly-Myers DS. The prevention of noise-induced hearing loss in the school-aged population. Journal of Auditory Research 1986;26;247-254.
Marazita, M.L., et. al. (1993, June 15). Genetic epidemiological studies of early-onset deafness in the U.S. school-age population. American Journal of Medical Genetics, 46 (5): 486-491.
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