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However, many exposure scenarios can be considered a risk of hearing disorders, and many individuals are negatively impacted by tinnitus and other hearing problems. [49] While some population studies have shown that the risk for hearing loss increases as music exposure increases, [ 49 ] other studies found little to no correlation between the ...
A TTS will resolve with time, while the time frame for hearing recovery is unique in every case, any SNHL that persists beyond eight weeks after injury is most likely permanent and should be considered PTS. [4] Hearing loss; Tinnitus (ringing in the ear) Aural fullness (ear fullness) Recruitment (ear pain with loud noise) Difficulty localizing ...
This damage may occur even at doses not considered ototoxic. [40] More than 260 medications have been reported to cause tinnitus as a side effect. [41] Tinnitus can also occur from the discontinuation of therapeutic doses of benzodiazepines. It can sometimes be a protracted symptom of benzodiazepine withdrawal and may persist for many months.
Noise from traffic, in particular, is considered by the World Health Organization to be one of the worst environmental stressors for humans, second only to air pollution. [2] Elevated workplace or environmental noise can cause hearing impairment, tinnitus, hypertension, ischemic heart disease, annoyance, and sleep disturbance.
NIHL can be either permanent or temporary, called a threshold shift. Unsafe levels of noise can be as little as 70 dB (about twice as loud as normal conversation) if there is prolonged (24-hour) or continuous exposure. 125 dB (a loud rock concert is ~120 dB) is the pain level; sounds above this level cause instant and permanent ear damage.
Noise damage is cumulative; all sources of damage must be considered to assess risk. In the US, 12.5% of children aged 6–19 years have permanent hearing damage from excessive noise exposure. [55] The World Health Organization estimates that half of those between 12 and 35 are at risk from using personal audio devices that are too loud. [11]
It is typically experienced as a secondary symptom of sensorineural hearing loss, although not all patients with sensorineural hearing loss experience diplacusis or tinnitus. [1] [2] The onset is usually spontaneous and can occur following an acoustic trauma, for example an explosive noise, or in the presence of an ear infection. [3]
Safe listening promotes strategies to prevent negative effects, including hearing loss, tinnitus, and hyperacusis. While safe listening does not address exposure to unwanted sounds (which are termed noise) – for example, at work or from other noisy hobbies – it is an essential part of a comprehensive approach to total hearing health. [8]