Tag: noise-induced hearing loss

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Researchers Treat Noise-induced Hearing Loss with Saline

A new study from Keck Medicine of USC links this type of inner ear nerve damage to a condition known as endolymphatic hydrops, a buildup of fluid in the inner ear, showing that these both occur at noise exposure levels people might encounter in their daily life.

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HHF Launches ‘Keep Listening’ Campaign

Hearing Health Foundation (HHF) announced that it is launching a public health ad campaign on June 22 that will greet transit commuters in New York, San Francisco, and Chicago to drive the message—especially to young people—that playing music too loud on personal listening devices can permanently damage their hearing.

LRADs, Trumpets, and Loudspeakers

LRADs are loudspeaker systems on steroids and are easily capable of generating outputs on the order of 120 dBA at 10 meters. Although we don’t have very good models for noise exposure over 115 dBA, we do know that levels of 120 dBA (with peaks being up to 15 dB higher) can create acoustic trauma.

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Research Shows Hair Cell Damage May Be Main Cause of Age-related Hearing Loss

Researchers examined 120 inner ears collected at autopsy. They used multivariable statistical regression to compare data on the survival of hair cells, nerve fibers, and the stria vascularis with the patients’ audiograms to uncover the main predictor of the hearing loss in this aging population. They found that the degree and location of hair cell death predicted the severity and pattern of the hearing loss, while stria vascularis damage did not.

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