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University at Buffalo
17 Capen Hall
The University at Buffalo is a premier research-intensive public university, the largest and most comprehensive campus in the State University of New York. UB's more than 27,000 students pursue their academic interests through more than 300 undergraduate,...
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"The everyday stress of living in an industrialized society takes its toll on your ears," says Don Henderson, Ph.D., director of the Center for Hearing and Deafness and a professor of communicative disorders and sciences at the University at Buffalo.In fact, a 1986 Laryngoscope study found that Easter Island natives who had spent time living in industrialized societies suffered significant hearing problems compared to people who never lived elsewhere.Furthermore, the longer they lived abroad, the more severe the negative effects.Translation for those of us not residing on a remote island: Living in an urban center, such as New York City, will cause more damage to your hearing over time than living in a quiet environment (think: ranch in Montana).
You'll be glad to know that there are things you can do to protect your hearing, without changing your address."The best way of gauging the effect of a noise is to see if things sound a bit duller or if there's a ringing in your ears afterward," says Henderson
"This will help slightly,which can make a difference, given that hearing loss from environmental causes happens over ten to twenty years," says Henderson
Exactly how does noise harm your hearing?"In order to process loud sounds, your ears require an enormous amount of energy," explains Henderson
."The louder the noise, the more energy required.The more energy your cells produce, the more mistakes that are made, resulting in the creation of free radicals,which can damage or kill your auditory sensory cells."Normally, antioxidants in your body can absorb the free radicals, but when you're exposed to lots of noise, there are not enough of them to deal with all the free radicals being made.
recent research, Henderson
has found that delivering high doses of antioxidants to the inner ears of animals protects them from hearing loss when exposed to loud noises."It just may be that in the future we'll have drugs for people to take so that those going into very loud situations, such as soldiers into combat or during training drills, can protect their hearing," says Henderson
Other research suggests that the negative effects of noise are not limited to hearing loss.A study done at Cornell University
found that children living in the flight path of a new international airport suffered significant increases in blood pressure and stress hormones six months and 18 months after the airport opened.Children in the same town who did not live under the flight path did not experience these changes.
"People need to stop taking their hearing for granted," concludes Henderson
Don Henderson, of the ...
Don Henderson, of the State University of New York, Buffalo, Hearing Research Center (This is where CDR Nanci Hight, MSC, USN earned her Ph.D.) presented findings indicating when the chinchilla's efferent auditory system is stimulated with electric shocks, temporary threshold shift (TTS) can be reduced for some noise conditions.
Board of Directors 2009 - Buffalo Hearing & Speech Center
Donald Henderson, Ph.D
Buffalo Hearing & Speech Center - Operating Board
Donald HendersonCenter for Hearing & DeafnessState University of New York at Buffalo
The International Institute of Acoustics and Vibration
The book is edited by Colleen Le Prell, Associate Professor, Department of Speech, Language, and Hearing Sciences and Director of the Hearing Research Center at the University of Florida; Donald Henderson, Professor, Department of Communication Disorders and Sciences at the State University of New York (SUNY) at Buffalo; Richard R. Fay, Distinguished Research Professor of Psychology at Loyola University Chicago; Arthur N. Popper, Professor, Department of Biology and Co-Director of the Center for Comparative and Evolutionary Biology of Hearing at the University of Maryland, College Park.