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Though the pathophysiology of tinnitus is not known, noise exposure can be a contributing factor, therefore tinnitus can be associated with hearing loss, generated by the cochlea and central nervous system (CNS). High frequency hearing loss causes a high pitched tinnitus and low frequency hearing loss causes a roaring tinnitus. [19] Noise ...
Hearing loss may have many different causes, but among those with tinnitus, the major cause is cochlear injury. [36] In many cases no underlying cause is identified. [2] [38] Ototoxic drugs also may cause subjective tinnitus, as they may cause hearing loss, [15] or increase the damage done by exposure to loud noise. [39]
The ear can be exposed to short periods of sound in excess of 120 dB without permanent harm — albeit with discomfort and possibly pain — but long term exposure to sound levels over 85 dB(A) can cause permanent hearing loss. [31] There are two basic types of NIHL: NIHL caused by acoustic trauma; NIHL that gradually develops.
Other factors also include noise exposure, smoking, hypertension, and hearing loss. The site also explains that in rare cases, "tinnitus may be a sign of a tumor-related disorder, such as acoustic ...
Scientists know that ringing in the ears, or tinnitus, is associated with hearing loss, aging, head or neck injuries, and exposure to loud noises. But what’s actually happening in the body to ...
Adults, as well as children, experience hearing loss if the sound intensity is loud enough. According to the NIH, data from 2005-2006 estimated that 17% of teenagers had noise-induced hearing loss ...
The risk of negative health effects from sound exposures (be it noise or music) is primarily determined by the intensity of the sound , duration of the event, and frequency of that exposure. [9] These three factors characterize the overall sound energy level that reaches a person's ears and can be used to calculate a noise dose.
Hearing loss due to noise may be temporary, called a 'temporary threshold shift', a reduced sensitivity to sound over a wide frequency range resulting from exposure to a brief but very loud noise like a gunshot, firecracker, jet engine, jackhammer, etc. or exposure to loud sound over a few hours such as during a pop concert or nightclub session ...
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