Hearing loss is such a devastating condition. It completely shuts down your ability to listen to your surroundings and appreciate the acoustic beauty found in nature’s visual landscape. This incapacitation no longer remains a matter of great concern today due to the newest hearing aid technology.

How do hearing aids work?

Hearing aids are powerful devices which help individuals suffering from hearing loss. They physically restore the ability to hear with great flexibility. This flexibility means adjusting the hearing volume according to your hearing preferences. Hearing devices are many and each offers a host of features. Other hearing Devices are equipped with tuning knob to help clientele calibrate the sounds as they hear it. If the sound is too low, patients can adjust them in such a way that they would be able to catch it to maximize auditory comprehension. If the sound is too loud, it can level it up with sounds produced softly. In many cases, soft, average and loud sounds are amplified on equal levels. This is an example of linear sound processing system.

There are various ways to take advantage of buying hearing aids.
- Online purchase
- Direct through hearing aid manufacturers
- Through registered audiologists (medical professionals who specialize in treating hearing-related illnesses)

Tips on procuring the right hearing aid for you:

1. Seek the help of a professional:

Due to the boom of World Wide Web and the rampant practice of sedentary lifestyle, more and more people are getting hooked up to buying listening devices online even without undergoing an extensive hearing aid evaluation examination. A patient should have completed a comprehensive hearing test before taking advantage of the benefits provided by the hearing aid. Buying hearing aids without going through a valid audiological evaluation reduces your chances of optimizing the benefits that the hearing devices provide.

2. Convenience:

No matter how techie the gadget is and its profound benefit it theoretically provides to patients, if it’s a burden to carry, it will definitely defeat the very purpose of the treatment program. Many hearing aid styles discussed on the next section of this article offer a wide array of hearing aid modes that suits a range of clients taste and personal preferences. These listening tools share similar functionalities but offer different optimization level.

3. Consider Opinions:

Nothing can beat the benefits of a personal experience. Listening to the advice of others who have used some of the products in the market will furnish you a considerable amount of details about which product will best fit you. It should, however, be emphasized that this is not a substitute to the professional help of a doctor who is qualified to verify devices that are most appropriate for you.

4. Budget Concerns:

Manufacturers use sophisticated technology, employing millions of dollars in the research, and the manufacture of these instruments. Also, the maintenance of a hearing aid manufacturing facility has a lot to do with why the cost of the product of this technology continues to rise. So while the best devices are typically the most expensive, there are products in the market which offer similar functionalities while not stripping off those hard-earned dollars in your pocket.

5. Stick with the Evaluation:

Most hard of hearing people tend to underestimate the findings provided in the hearing evaluation, as a result, they turn into manufacturers that, more than ever, sell cheap and poor quality hearing aid devices. Remember to consult an audiologist before making a purchase.

The decibel is used in a wide variety of scientific measurements related to acoustics and and electronics. This unit of measurement places a physical value – usually of noise or light intensity – in which a doubling of actual intensity causes perceived intensity to always increase by roughly the same amount. Specifically, a 3 dB increase is about equal to an approximate doubling of sound. This is important to understand because when you look at the dB values given in the following charts and text, you will understand a relatively small numerical increase of 10 dB between the sound of rainfall and a sewing machine accounts for the significantly greater noise level. It also shows that the 110dB sound of a screaming child is only several times less intense than a thunderclap or a rock concert.

Sound reference chart

0 Rustling leaves
20 Ticking watch
30 Quiet whisper
40 Refrigerator hum
50 Rainfall
60 Sewing machine, typical conversation level speech
70 Washing machine
80 Alarm clock (two feet away)
85 Average traffic
90 Gas lawnmower
95 MRI testing
100 Tractor, hair dryer, subway train
105 Power mower, chainsaw
110 Screaming child
120 Rock concert, ambulance, thunderclap
130 Jackhammer, jet engine plane (100 feet away)
140 Fireworks
165 12 gauge shotgun blast

Noise in the workplace

The National Institute for Occupational Safety and Health (NIOSH), a branch of the U. S. Centers for Disease Control and Prevention, reports that ear injury can develop in workers if exposed to 85 dB or more over eight hours. As a result, this 85 dB exposure limit for an eight-hour workday has become a standard in the mining, construction, oil-gas well drilling, and agriculture industries, as well as the U.S. Air Force and Army. Loss of hearing caused by excessively loud or prolonged noises is called NIHL, or noise induced hearing loss.

Injury to the cilia cells

Sounds of less than 80 dB do not often result in hearing loss, even after long or repetitive exposure. It is not possible to predict how an individual will respond to loud noises, since each person possesses a different hearing sensitivity. Yet, exposure to a single loud noise or continuous noise exposure can result in temporary hearing loss. This temporary loss is known as temporary threshold shift, and it will typically resolve 16 to 48 hours after the end of exposure.

Hearing loss can be permanent if the offending sound is loud enough to damage or destroy the delicate inner ear cells, called cilia, or stereocilia, that are found in the cochlea of the inner ear. These cilia cells respond to mechanical sound vibrations by sending an electrical signal to the auditory nerve. The mechanism of injury to cilia is purely physical; excessive vibration results in microscopic tearing or breaking of the cilia. There are many cilia located in the cochlea of the ear; the more that are damaged, the more profound the deafness. Once cilia cells are chemically or physically damaged or destroyed, they will not regenerate or repair themselves.

Protect your hearing

A commonsense recommendation to avoid hearing loss due to excessively loud noise is to either wear hearing protection or remove yourself from the sound source.
Use either earplugs, earmuffs or other protection devices when exposed to sounds above 85 dB. Since you cannot always be certain when your sound environment places you at risk, use this rule of thumb: If you are talking to someone three away from you and you cannot clearly hear what is being said, the noise level around you could be damaging your hearing.

Do the obvious, and simply walk away when sounds are too loud or turn down the volume of the sound source if possible. It is also possible to limit the sound intensity by not standing directly near its source. Time spent in a loud environment is important to the health of your hearing, so limit the time you expose your ears to loud noises. Cover your ears with your hands or cross the street when you hear someone operating a leaf blower or when you are near a jackhammer.

Tinnitus Treatment Institute

Since NIHL, or noise induced hearing loss, can result in tinnitus due to injury of the cochlear ciliary cells, the Tinnitus Treatment Institute has great interest in prevention of injury by sound exposure. Prevention is always preferable to treatment. For more information about tinnitus and NIHL, visit the website of the Tinnitus Treatment Institute.

Occasionally I focus on my workout, monitoring intensity of effort, breathing, speed, foot strike, arm carriage, or pedal rotation on a bike. I like listening to music behind the wheel of a car, but I find it very distracting during a normal workout.

Unfortunately, I may be in the minority. Not long ago, a popular running website published an article featuring the benefits of listening to music while running. It took me a while to realize that this particular piece was actually a paid advertisement sponsored by a well-known company that makes portable music devices.

By coincidence or not, this cleverly disguised ad just happened to appear shortly following a well-publicized story linking hearing impairment to use of portable music devices.

According to the American Speech-Language Hearing Association, the prevalence of hearing loss in the U.S. has doubled in the last 30 years, affecting more than 28 million Americans. Clinical audiology professor Robert Novak of Purdue University believes a big reason for the increase in Noise Induced Hearing Loss (NIHL) is the use of portable music devices, which were introduced in 1979. Recently he has been randomly examining college students and finding a level of hearing loss normally seen in middle-age adults.

The extent of NIHL depends on loudness, pitch, and length of exposure to sound. Lawnmowers, motorcycles, jet skis, snowmobiles, power tools, guns, many toys, and loud music pumped through headphones can all affect hearing. The problem is, once you damage your hearing, the impairment becomes permanent.

Sound that is projected through speakers is required to travel through distance and has a chance to dissipate. MP3 players, on the other hand, are made to blast music directly into the ear canal with very little leakage of sound.

Listening to music on MP3s or other portable devices for hours each day has become a trend amoung teens. If and when hearing problems develop, they just turn up the volume to compensate.

This practice worries hearing experts such as Professor Novak, who claims to be seeing more and more patients with older ears on younger bodies.

To protect your hearing, wear earplugs anytime you are exposed to loud noises, and by all means tone it down when you listen to music through headphones. Cut back on the time you spend listening and give your ears an occasional break.

Hearing experts from Boston Childrens Hospital say it is safe to listen to your MP3 player or iPod at 60% volume for 1 hour a day.

Take my advice. Learn to run without music, and let your mind work on something else to avoid boredom. If you must listen to music while you run or workout, keep the volume as low as possible.

Hearing is something you want to preserve for a lifetime.

The signs of hearing loss is normally relatively easy to detect:

1) If you notice everyone sounds muffled.
2) It is difficult to understand words.
3) You request others to speak more slowly, clearly or loudly.
4) Often need to turn up the volume on your TV or radio.

If you suffer from any of the above, combined with a desire to withdraw from conversations or avoid social settings, it is highly likely that you are suffering from a loss of hearing.

Most hearing loss results from damage to the cochlea ( a coiled structure in the inner ear responsible for hearing ). This loss is usually a result of prolonged exposure to loud noises of 85 decibel or higher. A decibel is the unit used to measure degrees of loudness and is often abbreviated to dB.

Other common causes of hearing are:

1) Ear infections.
2) Abnormal bone growths.
3) Tumors of the outer or middle ear.
4) Ruptured ear drums.

Other non-age related causes for deafness include Auditory Neuropathy, Meniere’s Disease, Noise Ostosclerosis and Usher’s Syndrome.

There are three basic types of hearing loss:

Type # 1 – Conductive Hearing Loss

This occurs when sound is not conducted efficiently to the middle ear, which may be caused by fluid, earwax, infection, foreign matter or malformation of the middle or outer ear.

Type # 2 – Sensorineural Hearing Loss

This condition occurs when there is damage to the inner ear ( cochlea ) or to the nerve pathways from the inner ear to the brain. Disease, birth injury, drugs or genetic syndromes can also be causes of Sensorineural hearing loss. Additional causes may include noise exposure, viruses, head trauma, aging and tumors.

A person suffering from this type of hearing loss may exhibit a lack of speech comprehension.

Type # 3 – Mixed Hearing Loss

Sometimes a person may suffer from conductive hearing loss combined with a Sensorineural hearing loss. This type of hearing loss is known as mixed hearing loss.

A person can have a loss of hearing in one ear or in both ears. The degree of the severity of hearing loss in each ear may be equal or disparate. The loss of hearing can either occur suddenly or over a long period of time.

Some people suffer from hearing losses that fluctuate and their condition may worsen or improve erratically. This is usually caused by an ear infection causingconductive hearing loss.

If you suspect you have a hearing problem, you should consult your health specialist to get a professional diagnosis and appropriate treatment for your condition.

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Hearing loss is a large problem in the United States. Millions of people suffer from a lack of hearing in all age groups. So, the use of hearing aides has become quite common and very widespread. There are many factors that contribute to hearing loss, some you can control, while others you cannot.

The world we live in is very noisy and our delicate ears are subjected to loud noises everyday. This is part of the reason why so many people have to use hearing aides now. Loud clubs, sporting events, concerts and booming stereo systems can damage your hearing, so try to limit the time you spend at them. Another great idea is to where ear plugs when you know you will be surrounded by loud noise. Try to get as far away from speakers as possible and avoid spots where the music is loudest.

You might need to consider using hearing aides if you are always asking people to repeat themselves after they have spoken to you. Does it always seem like people are mumbling or do you have trouble following conversations? Another sign of major hearing loss is if you have to pretend you’ve understood something someone said or you avoid group situations because you know you won’t be able to understand the conversations. You also might be turning up the stereo or the television louder than everyone else wants it to be. Have you been told that you speak too loudly? These are all symptoms of hearing loss and you may find that hearing aides would benefit you greatly.

Getting hearing aides isn’t scary and it isn’t something you should put off doing. There are many people with your same problem and hearing aides allow them to live a normal and happy life. So, stop procrastinating and see a professional if you’re experiencing any hearing problems.

Source: Free Articles

It doesn’t really matter where you swim, whether a community pool or your backyard pool, you should know the difference between a healthy pool and a dangerously risky one.

The U.S. Centers for Disease Control and Prevention (CDC) reports that during the last decade the number of illnesses resulting from unclean pool water has increased. It is particularly dangerous for some individuals such as: pregnant women, children, and those with weak immune systems. These individuals are particularly at risk of developing severe illnesses if infected.

The keys to having a safe pool situation are proper treatment and healthy behavior…protecting the water quality and the swimmer’s health. Chlorine continues to be the first line of defense in pool treatment. Adding chlorine to the water is an effective measure to kill germs.

You may ask how is it possible to tell the difference between a healthy pool and an unhealthy pool? According to the National Consumers League, Water Quality and Health Council, a national partnership formed by the CDC, and the American Chemistry Council, you should use your sense of sight, touch, smell, and sound to help you tell the difference.

Use your senses to notice the differences between healthy pools and risky ones. Here are some tips:

* Sight: Look at the water. It should be clear and clean.
* Touch: Feel of the tiles around the pool. They should feel smooth and clean
* Smell: Make sure there are no strong odors.
* Sound: Listen for the operation of the pool cleaning equipment.

The most important and essential step to take for a well maintained swimming pool is to keep it properly chlorinated. By taking this action, it will prevent illnesses from waterborne bacteria and viruses. These pathogens can cause swimmers to experience diarrhea, respiratory illnesses, and ear and nose infections and also skin infections.

The CDC states that everyone has a responsibility in keeping the pool water safe and healthy by doing the following:

* Don’t swim when you are ill with diarrhea
* Don’t swallow pool water
* Take frequent bathroom breaks
* Practice good hygiene

If you are unsure about the quality of water in your pool, it would be wise to test it by using portable pool and spa testing strips to ensure the chlorine levels are adequate and the proper pH exist.

So, before you go for your next relaxing swim, be sure to use your “senses” and have a wonderful, refreshing and healthy day at the pool.

(ArticlesBase ID #551757)

Source: articlesbase.com

The exact date of the development of the first hearing aid is unknown, but the first written description was in Natural Magick written by Giovanni Battista Porta in 1558. Over the years movies, comics, and books have poked fun at hearing aid users while ignoring the usefulness of the device. No wonder no one wanted to be seen wearing one. There is much on the history of hearing aids to satisfy the curious. Museums exist that have documented the long history of the hearing aid in the USA as well as other countries.

Just the thought of getting one was usually a reason for despair; up to five years ago no one wanted a hearing aid. They were huge and unattractive and shouted to the world – look at me! Many persons equated them with old age and they definitely carried a stigma. In addition, early hearing aids, even when they had advanced beyond being trumpets, horns and those worn on the body, were still unattractive. Even with the new behind the ear hearnig aids, called BTE’s, continued to carry some level of stigmatization.

However, the future of hearing aids is here with the development of almost invisible hearing aids. The new offerings are definitely hi-tech and part of the information age. Some are even quite chic, offering Bluetooth technology and music streaming via iPod, which helps to remove the stigma of aging in our youth-obsessed society.

Even some of the smallest hearing aids today allow the wearer to connect directly to TVs, computers, CD players or other electronic devices. These types utilize what is known as ‘direct audio input’ technology; they are so designed that most persons wouldn’t even know that you are using one, assuming instead, that you are just utilizing the technology like everyone else.

Types of almost invisible hearing aids

Almost invisible hearing aids are those worn inside the ear or ear canal itself. These are fitted based on the severity of hearing loss, the size, and shape of the person’s ear and the style.

Some of the main types of ‘almost invisible’ hearing aids are the behind the ear types, namely:

The small open ear hearing aid fits behind the ear. These are very discreet and fitted based on ear size. This type is best suited to persons with mild to moderate hearing loss. Behind the ear types (BTE). This type of hearing aid is good for all types of hearing loss.

These are barely visible with the only tell-tale sign being the tube that enters the ear itself. Another very popular digital hearing aid is the style that fit within the ear.

These include the:

In the canal hearing aids (ITC) are very small and most fit inside the ear canal thereby being fairly hidden. They are great for moderately severe hearing loss. In-the-ear type hearing aids (ITE) work well for severe hearing loss. While not as appealing as the ITCs, they are still a big improvement on earlier types.

This last type truly fits the ‘almost invisible’ label. They are known as CIC or completely in the ear canal hearing aid. Used mostly for mild to moderate loss, these fit, as the name suggests, completely inside the ear canal. In most cases they are completely invisible to the onlooker. This is a far cry from early hearing aids in terms of size and aesthetic appeal. The small battery which operates the device is the only drawback. Some users find this difficult to operate.

The invisible hearing aids The Unitron Moxi CRT hearing aid is a Canal Receiver Technology (CRT) device that fits inside the ear so completely it is virtually invisible. It is best for those with mild to severe hearing loss.

Totally invisible hearing aids are also implantable so that they cannot be seen at all. This new completely invisitble hearing aid, which is still undergoing clinical trials, is also waterproof. With this type the social stigma that still exists to some degree will be greatly eliminated. In fact these new lightweight and small hearing aids have one main disadvantage, they are often lost or can be difficult to find when taken out and placed on a surface.

No longer does anyone regardless of age have to decide to between ignoring their hearing problems and wearing hearing aids. The new invisible devices make this choice a non-issue, and hearing aid wearers can now use them stylishly and proudly.

Source: articlesbase.com

The game of roulette is a negative expectation one – i.e. over the long run you are expected to lose. Here are a few things you should know in order to at least get better looking odds than anyone else at the roulette table. On American roulette tables, all bets calculate out to the same house edge of 5.25%. The single exception to this rule is the 5-number bet, which has an even worse edge of 7.29%.

How then can you get better odds? Here are a few tips:

1. Keep an eye out for is a rule called ‘surrender’. Surrender is available at many casinos. The rule only applies to outside even money bets, and it doesn’t affect the edge of your whole session. This rule simply cuts your losses in half in the instance of a green pocket hitting. So if you’re betting an even money outside bet and a double zero or zero hits, you only lose half of your bet, not the entire thing. This of course pulls the house edge on outside even money bets down to 2.63%, which is definitely a lot better.

2. Look out for the single zero roulette wheel, i.e. the European roulette wheel. A European roulette wheel has a single zero pocket, and no double zero. There are only a total of 37 pockets left on the wheel, which does cut the casino house edge. This small and subtle shift lowers the house edge on all bets (not just the outside even money ones) to 2.70%. Very very nice.

Hopefully you’ve found our roulette information useful. If you haven’t already done it, you should try playing roulette at your favorite online casino via sites like: Roulette Slots, Roulette Set or Roulette Secrets.

For Caribbean stud poker, there is no room for ‘dumb’ play – the house edge is already high enough to take care of that.  Despite the overwhelming house advantage, there are a few little things that you can do to better your odds, here we go:

1. Always fold if you hold nothing.
2. If the setting isn’t right, don’t make the bet.
3. Always make the bet with a pair of better.
4. If you hold ace-king, make the bet if one of your other three cards matches the dealer’s up card.
5. Make the bet if you hold ace-king-queen or ace-king-jack when the dealer’s up card is any of your five cards.

Most all online casinos now offer you a free bonus deposits. Some are known as sign-up bonuses, here if you deposit a certain amount of money the casino will match it the first time (up to a set limit) these types of bonuses tend to stay in the hundreds of dollars. Past types of free money amounts can be anything from 20 – 50 dollars, and even much more depending on your sign-up deposit – so be sure to cut out good online casino reviews.

Caribbean stud poker is typically available at your favorite online casino. It and other casino favorites such as the slots and roulette can be played directly online. Try it for yourself if you haven’t already via sites like Funny Online Games, Funny Games Online or Fun Free Games Online.

If the come-out roll is a 7 or 11 (which craps rules label a natural) the don’t pass loses and the pass line wins. The shooter (person rolling the dice) has another chance to set a point and rolls another come out roll immediately. If the come-out roll is a 2, 3, or 12 (called ‘craps’) the don’t pass line wins, or ties and the pass line loses. The don’t pass bet is a tie when the come-out roll is a 12. The shooter once again gets another chance to set a point. In order to pass the dice along the shooter must first set a point, and then ‘7-out’ by hitting a seven before he/she hits the point number again.

If the come-out roll is a 4, 5, 6, 8, 9, or 10 then that number becomes known as the ‘point’. The dealers will then place a little puck with the word ‘ON’ written on it and put it on top of the number that is the ‘point’ on the layout. This is just to remind players that the session is on, and what the point number is. Before the dealer did this, the puck would have been just off the table with the ‘OFF’ side up. Any don’t pass line or pass line bets at this point are in a state of limbo, waiting for more action to determine their outcome. Do you have a craps strategy? We’ll discuss this further soon.

The shooter will keep rolling until one of 2 things happen: if they roll the number that they had set to the point (i.e. they made the point) the don’t pass bettors lose and the pass line bettors win. If a 7 is rolled before the point number is rolled (which is called 7-out), the winners are the reverse: don’t pass bettors win and pass line bettors lose. In both instances, the round is over. How’s that for simple craps game play.

If you haven’t already done it, you should try playing craps at your favorite online casino.  Check out Deadwood Gulch Resort, Dealer Choice or Delaware Powerball for more information and free craps software downloads.