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Author: admin, 18.09.2015
Ongoing Exposure to Noise on the JobLong-term exposure to continuous loud noise can cause lasting hearing loss. Michael Rothschild, MD, director, pediatric otolaryngology, Mount Sinai Medical Center, New York. National Institute on Deafness and Other Communication Disorders, National Institutes of Health. 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. December 3, 2013 – The Health Department launched a new ad campaign today warning people that listening to headphones at high volume can cause tinnitus (ringing in the ears) and irreversible hearing loss. Loud sounds, including media played at high volume, can injure the delicate hair-like cells of the inner ear that convert sound waves into the sounds we hear. Never listen at maximum volume and do not turn the volume up to drown out external noise.
Know the early signs of hearing loss and ask a doctor for a hearing test if you have trouble hearing conversation, need to turn up the volumes on TV, radio or personal music players or experience ringing in the ear. The campaign is funded in part by FJC: A Foundation for Philanthropic Funds and the Starkey Hearing Foundation. The noise thermometer shows the hazards of common occupational and off-the-job noise exposures.
The Irish Times has published an annual directory of the Top 1000 companies in Ireland over the past 10 years.


Ears are surprisingly easy to damage so check out how it can happen and what to do about it. Very loud sounds can smash the tiny hair cells flat a€“ and therea€™s no way to repair them after that. Your inner ear is really fragile so protect your ears around loud sounds if you want to keep your hearing sharp. It is intended for general informational purposes only and does not address individual circumstances.
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. The ads encourage people to protect their hearing by turning down the volume when using headphones. The injured cells cannot be repaired, and once enough of them are damaged, hearing problems can occur. Nearly one out of four adults aged 18 to 44 who report heavy headphone use say they have hearing problems, and were more than twice as likely to report hearing problems than those who report light-to-moderate use or no use of headphones. The database can be found online and provides details on all the companies and can be searched by industry, company and key employees. This vibrates tiny bones in your middle ear, which pushes around the fluid in your inner ear. The louder the sounds, the higher the decibels, and the shorter the time you can listen to it before your hearing gets damaged. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. 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 movement of this fluid makes very tiny hair cells send signals to the brain that get interpreted as sounds.
Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. 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.
Injury or Pressure ChangesSevere head trauma can dislocate middle-ear bones or cause nerve damage, causing permanent hearing loss.
Sudden changes in pressure -- from flying or scuba diving -- can lead to damage to the eardrum, middle ear, or inner ear and hearing loss.
Chronic DiseaseCertain chronic diseases that are not directly related to the ear can cause hearing loss. Autoimmune diseases, such as rheumatoid arthritis, also can be linked to some forms of hearing loss. How You Hear -- Anatomy of the EarSound waves enter the outer ear and travel through the ear canal.
This causes the eardrum and tiny bones, called the hammer and anvil, in the middle ear to vibrate. Then vibrations travel to the fluid in the cochlea where microscopic hairs send nerve signals to the brain so sound is understood.
Tumors and GrowthsNoncancerous growths, including osteomas, exostoses, and benign polyps, can block the ear canal, causing hearing loss. Acoustic neuroma (an inner ear tumor shown here), grows on the hearing and balance nerve in the inner ear. The average decibel level at a rock show is 110, loud enough to cause permanent damage after just 15 minutes. Hearing damage can occur with extended exposure of any noise over 85 decibels. Headphones and EarbudsCan others hear the music and lyrics you’re listening to through earphones? Think you have an earwax blockage? Don't try removing the wax with a cotton-tipped swab or by inserting anything else into your ear canal. For more hearing loss information from WebMD, click "Next." Childhood IllnessMany childhood illnesses can cause hearing loss. Ear infections can cause the middle ear to fill with fluid and cause hearing loss that usually clears when the infection and fluid are gone.
Diseases known to affect hearing in children include chickenpox, encephalitis, influenza, measles, meningitis, and mumps. Though congenital hearing loss often runs in families, it can occur with maternal diabetes or an infection when pregnant. Hearing loss can also develop if a newborn is premature or from other causes such as trauma during birth resulting in the infant not getting enough oxygen. Usually, age-related hearing loss is caused by the progressive loss of inner-ear hair cells.



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