noise-induced hearing loss

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noise-induced hearing loss,

a gradual loss of hearing caused by exposure to loud noise over an extended period of time, such as in an individual who works in a noisy environment. The hearing loss is sensorineural in nature and greatest in the higher frequencies. Although an early hearing loss may be temporary, it becomes permanent with increased exposure to noise. Compare acoustic trauma.

Temporary or permanent hearing loss caused either by a single exposure to very loud sound(s) or by repeated exposure to louder sounds over an extended period. See Hearing loss.

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acoustic trauma acquired deafness hearing loss loss magnesium NIHL occupational deafness occupational hearing loss singer's node			In a 2007 study of New York City mass transit systems, including subways, buses, ferries, tramway and commuter railways, researchers found that subway cars and boarding platforms were home to the worst noise levels, though all transit types created noise levels at which noise-induced hearing loss is considered a possibility. Mass transit tied to hearing problems by The Nation's Health The team are currently following up this study with a large, community-based study of noise exposures from multiple sources to develop accurate predictions of noise-induced hearing loss in urban populations. Subways found to have highest noise levels in US by Asian News International Although occupational noise-induced hearing loss is a totally preventable condition, once the damage has been done there is no way of reversing the effects. 3M helps tackle workplace hearing loss by Food Trade Review			nodular fasciitis nodular goiter nodular hyperplasia of the liver nodular leprosy nodular lymphoma nodular melanoma nodular nonsuppurative panniculitis Nodularia spumigena nodularin nodulation nodule nodule of semilunar valve nodulectomy Nodules nodulus nodus nodus lymphaticus Noetic Therapy NOGA map Noggling Pain Nogier vascular autonomic signal Noguchi noils noise Noise Pollution noise-induced hearing loss noisy breathing nok Nolina Nolvadex Nolvaldex Nolvasan noma Nomarski interference phase microscope nomen- nomenclature Nomina Anatomica nominal nominal aphasia nominal damages nominal data nominal interest rate nomo- nomogram nomograph nomotopic non compos mentis Non Contact Sport Non Contingent Suicide Threat Non Economic Damages Non Lethal Means			Noise trader Noise Trader Risk Noise Trader Risks Noise Traders Noise Transfer Function noise tube noise violations, Hawaii Noise Visibility Function Noise weighting Noise weighting filter Noise Whitening Matched Filter Noise's Off Noise(manga) Noise(manga) Noise(manga) Noise(manga) Noise(manga) Noise, Atmospheric Noise, Receiver Noise, Terrestrial Noise, vibration and harshness Noise, White Noise, White Noise-Adjusted Singular Value Decomposition Noise-Averaged Hermitian-Jacobi Fast Subspace Tracking noise-canceling microphone Noise-Cancelling Microphone Noise-Figure Analyzer Noise-Immune Cavity-Enhanced Optical Heterodyne Molecular Spectroscopy noise-induced hearing loss Noise-Induced Permanent Hearing Loss Noise-Induced Temporary Threshold Shift Noise-Injection Network Noise-Masked Normal-Hearing Noise-Masking Noise Noise-Masking Tone noise-metallic noise-modulated jamming Noise-Monitoring Terminal noise-power measurement Noise-Power-Distance Noise-Predictive Maximum Likelihood noise-reducing antenna system Noise-Shaper Bandwidth Noise-Shaping Transfer Function Noise-Temperature Ratio Noise-To-Noise noise-type flowmeter Noise/Vibration Monitor System noised noised noised noised noised noised Noiseful noiseless noiseless noiseless channel Noiseless Coding Block

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