How Do Hearing Aids Work?

Hearing aids have been around for decades. The first hearing devices were just conical devices that you held up to your ear so that a person could speak into them. This would funnel the sound directly into your ear.  Now there are more impressive types of hearing aids, working with a higher degree of technology.  So, in modern times, how do hearing aids work? 

Hearing aids use small microphones to make a soft sound louder.  They do this by using a small microphone.  This device will receive the sound that comes in and convert it to an electrical or digital signal and send that data to a speaker where it is turned into sound once again.    Settings for these microphones take into account the degree of a person's hearing loss and their usual environment.  Environment here refers to how much and what kind of noise you are usually around.  Are you usually near high frequency noises?  If so, do you need to hear them?  Do you function mainly in a quiet conversational environment?  All these questions will help the audiologist adjust the settings on your hearing aid.  This is only part of the answer to how do hearing aids work. 

There are three basic types of technology that receive and convert the signals in hearing aids these days.  The least advanced is the analog adjustable hearing aid, and it costs less than the other two types.  This type of hearing aid is adjustable by your audiologist for volume and other specifications.  The factory will then custom make it for you.  You can control the volume, or it will be controlled automatically. 

Another type of circuitry found in hearing aids is called analog programmable.  These are somewhat better than the analog adjustable because they can be programmed by using a computer.  The audiologist sets different programs of sound capture and transmission for different listening situations.  The user can select which program to use at any given time by using a remote control. 

Digital programmable hearing aids are the most advanced and, of course, the most expensive.  For years they were impossible and then they were impractical because they couldn't be made small enough.  That is no longer the case. 

So, how do these hearing aids work?  Their circuitry contains a feature called DSP, or Digital Sound Processing.  They utilize a computer chip to analyze and process the sound data before it is amplified to the ear.  It does this by using billions of digital number codes to identify and classify sounds to give them the correct settings.  This digital data is then converted into sound and sent on to the ear.  The digital hearing aid also has the capability of detecting and eliminating feedback by identifying its frequencies.  These hearing aids work automatically with little adjustment from the wearer. 

Hearing aids have come a long way in a short time.  People who can want to hear better have many options now.  And, if you find yourself asking, "How do hearing aids work," the answer these days is technology.

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Wanita Tercantik Inggris

Seperti apakah wajah yang paling sempurna? Wajah para seleb dunia boleh jadi merupakan contoh yang paling gampang. Namun, di Inggris, seorang gadis boleh bahagia karena mendapatkan predikat sebagai pemilik wajah paling sempurna di Inggris.

Seperti dilansir situs Dailymail, Florence Colgate disebut-sebut memiliki wajah paling sempurna. Ini karena wajahnya ssuai dengan cetak biru internasional soal wajah yang paling sempurna. Dia memenuhi rasio optimal antara mata, mulut, dahi, dan dagu. Proporsi wajahnya pun disebut-sebut paling pas.
Predikat itu diperoleh Florence setelah mengalahkan sekitar 8.000 orang yang berminat untuk menyabet gelar serupa. Para kontestan diuji wajahnya tanpa riasan apa pun dan mereka dilarang melakukan operasi plastik atau menyuntikkan cairan kimia apa pun.
Wajah Florence juga dikatakan sangat simetris mendekati sempurna. Shania Twain, Liz Hurley, dan Jessica Alba adalah para seleb dunia yang disebut juga memiliki wajah paling sempurna simetris.

Mendapat predikat itu, tentu saaja Florence senang. Sehari-hari dia mengaku hanya mengenakan riasan sederhana saja. ''Seharusnya perempuan tidak perlu memakai riasan setiap hari. Saya sendiri sudah senang dengan penampilan saya tanpa perlu operasi plastik atau Botox,'' ujar dia.

Setuju tidak kalau Florence disebut cantik?

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HERNIA

Introduction

Hernia is an abnormal protrusion of internal organs through an abnormal opening in the wall of the cavity.A combination of increased pressure inside the body with weakness in the wall is responsible for this condition.In this condition internal organs or parts of organs are protruded out forming a swelling which will increase the size with coughing and lifting weight,and while passing stool and urine.In lying down position the swelling goes inside except in strangulated and irreducible hernia.

Causes:-

1, Weakness in the body wall:--

a) Congenital weakness.

b) Acquired weakness due to injuries,wasting of muscles,suppurative lesions in the wall and presence of weak natural openings,obesity,lack of exercise,repeated pregnancy.

c) Surgical operation with improper suturing or sepsis of operated site.


2) Increased pressure inside the body.
  
a) Chronic constipation.

b) Recurrent cough.

c) Weight lifting.

d) Stricture of urethra.

Common sites for hernia:--

Hernia can occure anywhere in the body.However there are some common sites for hernia.Due to the presence of hard bony covering chest wall is normally not affected.Hernia in the lower back is also rare due to spine and back muscles and tough ligaments and sheeths.The common site for hernia is abdominal wall.Compared to other parts the abdominal wall is weak due to the presence of some natural orifices.There are some areas wherein the abdominal muscles are weaker and thin and all these factors make a chance for herniation.The common sites for hernia are following.

a) Inguinal hernia:

Here the abdominal contents protrude through the inguinal canal (passage in the lower abdominal wall just above the inguinal ligament.It is seen on either side).This type is common in males.Initially the swelling comes only while straining and goes back while lying down. Later the large portion of intestine may come out which may not go back easily.
   
b) Femoral hernia:

This type of hernia is more in females.Here the abdominal contents pass through the femoral canal which is seen just below the junction between the thigh and lower abdominal wall(Inside the femoral triangle).The contents pass downwards and comes out through saphenous opening in the thigh and forms a swelling under the skin.

c) Umbilical hernia:

This is common in children.The umbilicus is the weaker part of the abdomen.The contents of the abdomen may protrude as a bulb like swelling while crying and defecating.

d) Incisional hernia:

These hernias are seen in operated sites. Due to improper suturing or sepsis the operated site becomes weak resulting in hernia.
   
e) Epigastric hernia:

Here the hearniation occures in the epigastrium. It is a rare type.

f) Lumbar hernia:

Here the hernia appear in the lumbar area on either side of the lumbar spine(in the lumbar triangle).This is also a rare type.

g) Obturator hernia:

This is a rare type of hernia. Here the contents pass through obturator foramen in the pelvic bone.


Complications of hernia:--

1) Strangulation:

If the hernial orifice is narrow the abdominal contents may not go back easily, and later the blood flow to the herniated tissues may be blocked due to constricition.This can cause death of protruded intestine.

2) Intestinal obstruction:

This occures when the whole portion of the intestine is protruded in to the hernial sac. The narrow hernial orifice will block the passage of bowels.

3) Infection and peritonitis:

If there is strangulation with death of a portion of intestine there will be spread of infection to the abdomen resulting in peritonitis.

Treatment of hernia:--

Initial treatment: In the initial stages of hernia the following steps may be useful

1) Use of hernia belt:

Special types of hernia belts are available for each type of heania.This will prevent the protrusion and will reduce pain.

2) Constipation,recurrent cough,urinary obstruction ect should be treated.

3) Fat reduction will increase the strength of abdominal wall.

4) Abdominal exercises to increase the muscle tone.

5) Take plenty of leafy vegetables, fruits and fibrous diet for easy bowel movements.

6) Try other systems like Homoeopathy,Herbal medicine and ect

If no relief by the above steps consult a general surgeon for surgical management.

Surgical treatment.

The following operations are done depending up on the type and nature of hernia.

1) Hertniotomy : In this operation the contents of hernial sac is pushed in to the abdomen and neck of the sac is ligated with transfixion ligature and the sac is cut off.

2) Herniorrhaphy: Here along with herniotomy the posterior wall is repaired.

3) Hernioplasty: This operation is done if herniotomy is not possible due to wide neck of the sac.Here the repair is done with the healp of non absorbable materials like tantalum gauze,polypropylene mesh or stainless steel mesh.

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Benefits of Whey Protein

In recent years, the subject of whey protein has come up often in health discussions. Know what whey protein is, its possible benefits and side effects and more as you read on.
What is Whey Protein
Whey protein is actually a term used to describe a group of globular proteins that can be separated from whey. When cow’s milk is used to manufacture cheese, it also leads to the production of whey, which may or may not be discarded. It is a mixture of lactoglobulin, alpha-lactalbumin and serum albumin.
Similar to protein found in egg white, whey protein can also be irreversibly changed by heat. When made part of the pasteurization process, it becomes less bio-active. If not, whey protein naturally becomes bio-active which basically means it contains a high concentration of cysteine and consequently glutathione, an antioxidant that is essential to improved fitness and health.
Bio-active whey protein is an active source for protein but exposure to extreme heat can easily reduce the amount of cysteine in it without affecting its protein content and basic food value. Native whey protein
What Makes It Good for the Body
Because whey protein contains an inordinate amount of essential and non-essential acids, it frequently plays a prominent role in most low-carb and high-protein diets. Another reason for this is because of its low content of fats and of course, carbohydrates.

Why Pregnant Mothers Love Whey Protein
A number of OBs have advised their gravid patients to increase their intake of whey protein because it will provide the basic amount of amino acids needed by the growing infants inside their bodies. An increased intake of whey protein will naturally improve and speed up the development of the baby. Also, increased intake of whey protein will indirectly improve the immune system of the baby. In its growing stages, it is highly vulnerable to different types of illnesses. With the help of whey protein, it grow faster and better and more equipped to defend itself against any health complication.

Whey Protein for Bodybuilding Enthusiasts
For bodybuilders, muscle growth is everything and that’s why they love whey protein so much. Studies have satisfactorily proven that whey protein can lead to acceleration of muscle development. This is welcomed news especially for bodybuilders who are only a few weeks away from the date of competition but is still in high need of muscle growth.

How it Helps Athletes Busy Recovering from Old Injuries
In this case, whey protein saves the day once more because it can be used to supplement diets of individuals who are suffering from compromised immune systems. Basically, it helps athletes heal faster and feel better.

A Weapon against Degenerative Diseases
Although you can’t truly say that any disease is less painful than the other if both have life-altering consequences, it is an inarguable fact however that degenerative diseases are one of the worst health complications to suffer from. These illnesses tend to subject people to a protracted form of suffering and with symptoms with increasing levels of severity. They commonly affect three systems in particular: the nervous system, the muscular system and the skeletal system.

Although rarely curable, degenerative diseases can be treated through chemotherapy, surgical operations and the proper diet. Whey protein is often a part of this diet because of its rehabilitative benefits especially when it comes to muscle growth. Cancer, diabetes and AIDS have symptoms that causes muscle strength and growth to deteriorate – an undesirable effect that can be combated with increased intake of whey protein.

Where to Buy Whey Protein
Are you sufficiently convinced of the benefits of whey protein then? If so, you should be happy to know that you can avail of commercial whey protein product in most supermarkets and specialty food stores specializing in healthy food.

Ending with a Warning
Whey protein is good for the body – no doubt about it – but too much consumption of anything is never beneficial. Too much intake of whey protein can lead to unnecessary complications of your liver. And need we remind you that the liver is the next most important organ in the body? Lastly, lactose intolerant individuals must consume whey protein isolate rather than the normal variety as the former has less lactose content.

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MENTAL DISTURBANCES CAUSED BY ALCOHOL.

The physical disasters that follow the continued use of intoxicating beverages are sad enough, and terrible enough; but the surely attendant mental, moral and spiritual disasters are sadder and more terrible still. If you disturb the healthy condition of the brain, which is the physical organ through which the mind acts, you disturb the mind. It will not have the same clearness of perception as before; nor have the same rational control over the impulses and passions.

Heavenly order in the body.
--------------------------

In order to understand a subject clearly, certain general laws, or principles, must be seen and admitted. And here we assume, as a general truth, that health in the human body is normal heavenly order on the physical plane of life, and that any disturbance of that order exposes the man to destructive influences, which are evil and infernal in their character. Above the natural and physical plane, and resting upon it, while man lives in this world, is the mental and spiritual plane, or degree of life. This degree is in heavenly order when the reason is clear, and the appetites and passions under its wise control. But, if, through any cause, this fine equipoise is disturbed, or lost, then a way is opened for the influx of more subtle evil influences than such as invade the body, because they have power to act upon the reason and the passions, obscuring the one and inflaming the others.

We know how surely the loss of bodily health results in mental disturbance. If the seat of disease be remote from the brain, the disturbance is usually slight; but it increases as the trouble comes nearer and nearer to that organ, and shows itself in multiform ways according to character, temperament or inherited disposition; but almost always in a predominance of what is evil instead of good. There will be fretfulness, or ill-nature, or selfish exactions, or mental obscurity, or unreasoning demands, or, it may be, vicious and cruel propensities, where, when the brain was undisturbed by disease, reason held rule with patience and loving kindness. If the disease which has attacked the brain goes on increasing, the mental disease which follows as a consequence of organic disturbance or deterioration, will have increased also, until insanity may be established in some one or more of its many sad and varied forms.

Insanity.
--------

It is, therefore, a very serious thing for a man to take into his body any substance which, on reaching that wonderfully delicate organ the brain, sets up therein a diseased action; for, diseased mental action is sure to follow. A fever is a fever, whether it be light or intensely burning; and so any disturbance of the mind's rational equipoise is insanity, whether it be in the simplest form of temporary obscurity, or in the midnight of a totally darkened intellect.

We are not writing in the interest of any special theory, nor in the spirit of partisanship; but with an earnest desire to make the truth appear. You must not accept anything simply because we say it, but because he sees it to be true. Now, as to this matter of insanity, let him think calmly. The word is one that gives us a shock; and, as we hear it, we almost involuntarily thank God for the good gift of a well-balanced mind. What, if from any cause this beautiful equipoise should be disturbed and the mind lose its power to think clearly, or to hold the lower passions in due control? Shall we exceed the truth if we say that the man in whom this takes place is insane just in the degree that he has lost his rational self-control; and that he is restored when he regains that control?

In this view, the question as to the hurtfulness of alcoholic drinks assumes a new and graver aspect. Do they disturb the brain when they come in contact with its substance; and deteriorate it if the contact be long continued? Fact, observation, experience and scientific investigation all emphatically say yes; and we know that if the brain be disordered the mind, will be disordered, likewise; and a disordered mind is an insane mind. Clearly, then, in the degree that a man impairs or hurts his brain temporarily or continuously in that degree his mind is unbalanced; in that degree he is not a truly rational and sane man.

We are holding your thought just here that you may have time to think, and to look at the question in the light of reason and common sense. So far as he does this, will he be able to feel the force of such evidence as we shall educe in what follows, and to comprehend its true meaning.

Other substances besides alcohol act injuriously on the brain; but there is none that compares with this in the extent, variety and diabolical aspect of the mental aberrations which follow its use. We are not speaking thoughtlessly or wildly; but simply uttering a truth well-known to every man of observation, and which every man, and especially those who take this substance in any form, should, lay deeply to heart. Why it is that such awful and destructive forms of insanity should follow, as they do, the use of alcohol it is not for us to say. That they do follow it, we know, and we hold, up the fact in solemn warning.

Another consideration, which should have weight with every one, is this, that no man can tell what may be the character of the legacy he has received from his ancestors. He may have an inheritance of latent evil forces, transmitted through many generations, which only await some favoring opportunity to spring into life and action. So long as he maintains a rational self-control, and the healthy order of his life be not disturbed, they may continue quiescent; but if his brain loses its equipoise, or is hurt or impaired, then a diseased psychical condition may be induced and the latent evil forces be quickened into life.

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Healthy Fat Intake

This information is aimed at helping you to
reduce your fat intake.  The average individual
eats too much fat, a factor that's linked to
a variety of health problems, including cancer.
Diets that are high in fat are associated with
breast and colon cancer, with some studies
linking high fat to prostate cancer as well.

A majority of people can bring their fat intakes
down to a healthy range by making a few adjustments
in the way they shop, cook, and prepare the foods
they eat.

Now days, it's getting easier and easier to control
the amount of fat you consume.  The fat content of
foods are now available through the nutrition label
and through brochures distributed by food companies
and even fast food restaurants.

You can use this information on nutrition to choose
lower fat foods by comparing products and food
brands.  Once you have a rough idea of what a healthy
intake of fat is, you'll know what you can and what
you can't have.

From day to day, the amount of fat you eat will
vary.  Some meals and some days will be higher in
fat than others.  Even high fat meals can be kept
in line with healthy eating as long as you balance
those days accordingly.  The average fat intake over
the course of weeks and months is important, not the
fat intake of every meal and food you consume.

Younger adults and high active adults who have
higher calorie needs can probably eat a little more
fat.  Older adults and those that aren't very active
should aim for a lower fat intake.  This way, you
can control your fat intake and avoid the many
problems that fat is associated with.

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Heart Disease overview

Heart Disease is one of the world’s largest health problems today. It not only affects the wealthier nations it is also affecting the poorer ones. Heart Disease covers a wide range of health ailments relating specifically to the heart.

There are many theories and ideas that relate to heart disease. One school of thought for the sudden increase in heart disease is the changes within different lifestyles. People are often less active and eat diets high in fats. Takeaway food is abundant today and often people will eat it due to the increased availability. Some takeaway outlets are now helping cater to a healthier lifestyle by offering a variety of healthy dishes such as salads. People are becoming more aware of the risk of heart disease and choosing to change their diets.

Why exercise? Exercise is extremely important in order to avoid heart disease. Exercise helps to keep the heart at its peak performance and is optimum health is easier to maintain. By using a combination of exercise and a balanced diet, the risk of heart disease is greatly decreased.

The term “Cardiovascular Disease” is widely used within today’s society. The term Cardiovascular Disease includes a large number of diseases which directly affect the heart and the blood vessel system. It especially affects the veins and arteries that lead to and from the heart.

Conducted research has suggested that women who suffer with cardiovascular disease usually suffer from forms that affect the blood vessels. While men usually suffer from forms that affect the heart muscle itself. Other known or associated causes of cardiovascular disease include diabetes mellitus, hypertension and hypercholesterolemia.

Heart disease and strokes are other more common cardiovascular diseases. Two independent risk factors that have a major impact for heart diseases plus cardiovascular diseases are high blood pressure and high blood cholesterol.

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