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Author: admin | 20.02.2016 | Category: Ear Drops For Tinnitus

Occupational hearing loss has long been recognized as a result of workers' exposure to loud noise. A potentially permanent hearing loss that affects tens of millions of patients, especially those who are exposed daily to high noise levels. Frequent and long duration of exposure to loud sounds such as in industry, loud music, power tools, lawn mowers or firearms. Minimize exposure to loud sounds, such as reducing the volume when listening to television or music .
Exposure to loud sounds, such as working in an industrial setting, listening to loud music, or hearing explosives or gunfire, can result in hearing loss.
Listen up: A pill is being developed that could reverse loss of hearing caused by loud noise Scientists have formulated a pill that could prevent or even reverse hearing loss caused by loud noise. Overexposure: More people are getting hearing problems due to listening to loud music with headphones regularly Participants include young adults exposed to moderately loud music from personal stereos, factory employees working with loud machinery, soldiers exposed to loud gunfire, and Nato airbase workers who are surrounded by aircraft noise. It has been determined that exposure to noise is the most common cause of preventable hearing loss experience in the community. For individuals not experienced with hearing loss it can be very difficult to understand the frustration and difficulties that arise from such an every-day process that we take for granted. A noise injury is mostly acquired gradually as the result of exposure to loud noises over an extended period of time. Repeated or prolonged exposure to loud sounds increases the risk of hearing damage, and the effects are cumulative. Sounds below 75 decibels are unlikely to cause hearing damage, regardless of the duration of exposure.
Hearing slowly gets damaged in an almost imperceptible way and it can take many years of exposure for the effected individual to actually take notice.
The loss of hearing through exposure to excessive noise in the workplace is a well documented occupational health and safety (OHS) issue. The main point is that you do not need to be any sort of a noise expert to know if something is noisy. Steps have been taken through OHS legislation and regulations to limit the amount of noise to which workers are exposed in order to minimise the health risks. Provide Personal Protective Equipment (PPE) such as supplying ear plugs, ear muffs accompanied by an effective education and training programme.
But note that the use of PPE is acceptable only as an interim measure until noise levels can be reduced or if there is no alternate practicable solution.
High levels of noise exposure have traditionally been discussed in terms of workplace noise exposure, with the hearing loss often being referred to as 'industrial' or 'occupational' deafness.

High levels of leisure noise can come from more traditional activities such as motor bike riding, shooting, use of power tools, etc, or from more contemporary sources such as pub bands, concerts and personal stereo players.
In principle the same preventative action should be adopted even though this may at first seem more difficult when operating in a different social situation when compared to the workplace. If you experience tinnitus or ringing in your ears after a particular heavy concert then be warned, your ears are trying to tell you something. While there is much that is understood about how excessive noise causes hearing loss, there are many other aspects that are not understood.
If you experience ear pain, ringing in the ears (tinnitus), or a feeling of muffled hearing after exposure to loud sounds, your hearing sensitivity has temporarily been impaired (Center for Hearing and Communication). Clinical trials of the pill are about to start, but early research suggests it can reverse the damage up to three days after it occurs.
In order to prevent hearing loss, people need to be aware of things that can damage their hearing, and learn ways of ensuring their hearing health.
When preventable hearing loss is further coupled to loss due to the ageing process (presbycusis) it is easily understood why hearing loss is more common in the older age groups. The loudness of a sound is measured in decibels which is a non-linear scale used for scientific purposes. This noise exposure is a function of loudness and time so if you wish to reduce your exposure you must firstly reduce the volume or loudness and then the time.
Noise injury is painless and bloodless and does not rate high on a scale of physical injury such as a broken arm or leg but have no doubt it is a real injury nevertheless. Many workplaces have the potential for a degree of noise exposure, however, some workplaces are identified as posing a particularly high risk for hearing.
If the noise level is such that you need to raise your voice to carry on a normal conversation then chances are that it is too noisy.
Just as with workplace noise, if you have trouble conversing over the noise level then it is potentially too loud and exposure must be reduced. It is now recognized that many different factors can cause occupational hearing loss: noise, pharmaceuticals, aging, genes and ototoxic chemicals.
While most of these sounds are comfortable, some loud sounds can be painful and cause damage to your hearing. Although these symptoms will typically resolve themselves after 12-14 hours, a part of your auditory nervous system has been damaged (Kujawa & Liberman, 2009).
Non-auditory effects of noise include sleep disturbance, high blood pressure, poorer task performance in adults, and poorer cognitive performance in children (Basner, Babisch, Davis, Brink, Clark, Janssen, & Stansfeld, 2013). The 'real' pill will contain three antioxidants - betacarotene and vitamins C and E - and the mineral magnesium.

For the purposes of looking after your hearing the most important thing to note is that if you need to use a raised voice to communicate or carry on a normal conversation between two people at arms length then the noise level is potentially hazardous and exposure over a significant time could bring problems.
Noise exposure is cumulative over your life-time, meaning that every over exposure adds up a€“ just like too much UV-radiation or exposure to the sun.
This is particularly important if your work requires that you are exposed to this level of noise for significant periods throughout your normal work routine. These regulations set mandated acceptable levels, and the nature of employers' and employees' responsibilities for reducing any exposure above these limits. For this reason controls at the top of the hierarchy are preferable as they remove the hazard and do not rely on changing workplace behaviour for safe working conditions.
But you need to look after your hearing so some action must be taken: remove the noise, reduce the volume or remove yourself. The “noise thermometer” on the right illustrates the intensity (in decibels, dB) of common sounds, from humming appliances to fireworks and firearms . It has been estimated that 15 per cent of those between the ages of 20 and 60 have hearing loss caused by personal stereos, rock concerts or factory machinery. The antioxidants will tackle the damaging free radicals, while the mineral magnesium boosts blood supply. The damage can be caused by a single exposure to a very loud noise, such as an explosion, but more often it is caused by continuous or chronic exposure to loud sounds over time. Research has shown that in people exposed to loud noise, blood flow into the ear falls because of free radical formation.
Although the lower level controls have the potential to be effective, they are less reliable, relying on individual workers to take steps to protect themselves. Noise-related hearing loss is a growing problem - two months ago the European Union's scientific committee on emerging health risks warned that more than a million Britons could go deaf through listening to their MP3 players at a high volume for too long. Dr Ralph Holme, of the Royal National Institute for Deaf People, said: 'This is an exciting clinical trial. It will shed light on whether taking antioxidants as a dietary supplement can help prevent this type of hearing loss.
Then if the pill is shown to work in larger trials, it could be produced quickly and easily for general use because the ingredients are already widely available. But research at Michigan University has shown that when the antioxidants were given up to three days after noise exposure, hearing loss was significantly reduced.

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