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Health Focus - July 2006

Arthritis and operation

July 30th 2006 21:44
Arthritis and operation :
Arthritis is an inflammation of the joints (the junctures where the ends of two or more bones meet).

Types :
Inflammation develops in various ways. With osteoarthritis, there is gra dual wearing away of cartilage in the joints. Healthy cartilage is the elastic tissue that lines and cushions the joints and allows bones to move smoothly against one another. When this cartilage deteriorates, the bones rub together, causing pain and swelling.

Osteoarthritis can cause permanent damage, stiffness, and deformity of the joints. Although osteoarthritis can result from direct injury to the joint, it commonly occurs in adults over age 55 because of long-term wear and tear.

Rheumatoid arthritis can attack individuals of any age. This form of arthritis affects all the connective tissues, as well as other organs. The precise cause of rheumatoid arthritis is unknown. Some researchers believe that a virus triggers the disease, causing an autoimmune response whereby the body attacks its own tissues. (Evidence for this theory is inconclusive, however.)

Symptoms :
Symptoms of osteoarthritis include swelling, tenderness, pain, stiffness, and redness in one or more joints. For many patients, pain is greatest in the morning and subsides as the day progresses. Damp weather and emotional stress can make symptoms worse.

With rheumatoid arthritis, these symptoms may be accompanied by more generalized feelings of fatigue and fever. This form of arthritis may go into periods of remission, when symptoms disappear. When symptoms return, however, they are often more severe.

Diagnosis :
To diagnose arthritis, a physician observes the patient's symptoms and administers a standard physical examination. X-ray studies and laboratory tests may be recommended to confirm joint swelling and to determine the extent of damage the arthritis has caused.


Treatment :
The most effective treatment program for arthritis consists of drug therapy, exercise, and rest. Treatment should begin early after diagnosis to prevent permanent damage.

High-dose aspirin was once the most frequently prescribed drug for the relief of symptoms. Although effective, side effects such as stomach ulceration or bleeding and ringing in the ears have curtailed its use.
Moderate daily exercise, such as swimming, walking, or physical therapy, is critical to maintaining mobility in arthritic joints

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World Health Organisation(WHO) and working:
The World Health Organization, or WHO, was established as a specialized agency of the United Nations (UN) in 1948. It was declared officially in existence on April 7 of that year, after more than half of the UN members signed its constitution. That date is now celebrated as World Health Day
The objective of WHO is ambitious, stated as "the attainment by all peoples of the highest possible level of health," with health being very broadly defined as "a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity." WHO works to reach this lofty goal by directing and coordinating international health work.

WHO has been instrumental in eradicating smallpox, once among the most feared diseases, and has helped contain old diseases such as cholera and typhoid and relatively new ones such as SARS and HIV. WHO has led efforts in health-related fields like sanitation, injury prevention, and public health, and is currently working to combat tobacco use and chronic diseases like cancer and diabetes.

The Structure of the WHO :
WHO is the first global health organization. It replaced or absorbed many regional and national health bodies.

In the latter half of the 19th century, after several severe cholera epidemics, a series of international sanitary conferences were held in Europe to coordinate policy and practice around quarantine and disease management. The League of Nations established a health organization in 1920, and there were regional bodies as well. But the establishment of the United Nations in 1945 marked a period of aggressive internationalism and international organization-building, and though health was not initially thought to be under the U.N.'s purview, a motion by the Brazilian and Chinese delegates to establish an international health organization was unanimously accepted. A group of health experts who were working on emergency relief in the wake of World War II were charged with the task of drafting a constitution to define the structure and mandate of the body that would become known as the World Health Organization.

The work of WHO is mainly carried out by a secretariat; secretariat staff are led by a director-general and work in areas identified by an executive board and ratified by an assembly.

The secretariat consists of thousands of health and other experts and support staff who work at headquarters, regional offices, and in member countries around the world. At the top of this bureaucracy is the director-general, who is elected for a five-year term. A new director-general, Dr. Jong-Wok Lee, was nominated by the executive board and elected by the assembly in May 2003. This native of South Korea was trained as a medical doctor in Seoul and completed a Masters of Public Health in Hawaii. He worked for WHO for 19 years before being elected to his current post.

Regional Work
One of the initial challenges that faced WHO was what to do with existing regional health organizations such as the very active Pan-American Sanitary Board. Would they continue, or would they be replaced or absorbed by WHO? In the end, they became highly autonomous, regional arms of WHO.
The Pan-American Sanitary Board became the Pan-American Health Organization, the regional organization for the Americas; there are also organizations Africa, Europe, South-East Asia, the Eastern Mediterranean, and the Western Pacific Region. Member states can choose which regional organization they want to join.

There are also over 1,200 WHO collaborating centers around the globe. These academic and medical centers are funded by national governments but contribute to WHO's research agenda and program priorities.



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Tamiflu and working

July 26th 2006 23:36
Tamiflu and working
Capsules of tamiflu with star anise fruit and pods
Tamiflu and working :
According to the Centers for Disease Control and Prevention, about 36,000 people die from the flu each year. [ref]. A new threat is the avian, or bird flu. The latest outbreak has infected more than 140 people in Asia and Europe. In February 2006, it migrated into Africa. [ref]. Health experts fear that it could eventually mutate into a form that could pass from person to person and set off a worldwide pandemic.
Unfortunately, there is no cure for either the flu or bird flu. A virus causes the flu, and antibiotics can only kill bacteria. There is a vaccine for the A and B strains of the human flu, but even that isn't a guarantee: sometimes the scientists who develop it get the strain wrong for a particular flu season. The current vaccine doesn't work against bird flu strains.

There are, however, a few antiviral prescription drugs that can lessen the severity and cut the duration of the flu as well as prevent infection if you've been exposed. Tamiflu is one of the most commonly prescribed drugs.

StockPiling Tamiflu :
The problem with any antiviral drug is that the virus can develop resistance to it. Doctors are concerned that the flu could become resistant to Tamiflu, just as the influenza A strain has become resistant to the antiviral drugs Symmetrel (amantadine) and Flumadine (rimantadine).

Some flu strains have already shown resistance to Tamiflu, including those found in a few patients with the avian flu. Health officials are concerned that during a pandemic, when infection persists for a longer period, the risk for resistance could be even higher.

With fears rising about a potential bird flu pandemic, it's not surprising that many Americans are thinking about keeping their own supply of the antiviral drug. But is it a good idea? Many health experts warn against the practice, saying that it's often difficult to know whether you have the flu or just a garden-variety cold, and taking Tamiflu too often could lead to the development of drug-resistant virus strains. The World Health Organization has recommended that governments stockpile antiviral medications in advance of a pandemic to ensure that sufficient supplies are available.

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Head Lice

July 26th 2006 11:43
Head Lice :
Infestation with head lice (known medically as pediculosis capitis) has become a relatively common occurrence among school-age children. However, people in all age groups are susceptible. Sometimes erroneously thought to be an indication of an unsanitary lifestyle, lice infestation can actually afflict anyone, without regard for social status or personal hygiene.

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Sweat or Perspiration

July 23rd 2006 22:56
Sweat or Perspiration
Skin
Sweating
Sweat and glands
Sweat or Perspiration :
Perspiration, or sweat, is your body's way of cooling itself, whether that extra heat comes from hardworking muscles or from overstimulated nerves. In this article, we will examine your body's sweat glands, how sweat is made and what it does. You will learn that there is difference between the sweat on your palms and the sweat in your armpits and why your skin tastes salty after a workout!

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Health Insurance and Working

July 23rd 2006 04:34
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Health Insurance and Working :
In 2004, almost 46 million Americans had no health insurance [ref]. Healthcare costs can be very expensive, and the cost of even the most basic care is steadily rising. So, health insurance premiums are rising along with them. Employers typically bear the brunt of the expense for health insurance, but individuals are paying more and more each year as well.
What exactly is it you're paying for, though? Where does your monthly premium go if you don't get sick or go to the doctor? What do you do if you're not working or you're self-employed? What's the difference between all of the various plans there are to choose from? The maze of information you have to wade through about plans, co-pays, co-insurance, deductibles and more is enough to make your head swim


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Viagra and Working

July 22nd 2006 00:32
Viagra and Working :
The name recognition of Viagra® is so good that nearly every adult in America has heard of the drug and can tell you what it does.
What Viagra® does is simple: When it works as intended, Viagra® causes a man who is sexually stimulated to get an erection


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Exercise and working

July 21st 2006 00:06
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Exercise and working :

When one exercises or compete in sports, you notice several things about your body. You breathe heavier and faster, your heart beats faster, your muscles hurt and you sweat. These are all normal responses to exercise whether you work out regularly or only once in a while or whether you are a "weekend warrior" or a trained athlete. When you watch world-class athletes compete, you see the same responses, only magnified


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Working of Muscles

July 14th 2006 23:22
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Working of Muscles :

Muscles are one of those things that most of us take completely for granted, but they are incredibly important for two key reasons


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Working of Human Hear

July 13th 2006 23:07
Working of Human Hear :

Ears are extraordinary organs. They pick up all the sounds around us and then translate this information into a form our brain can understand. One of the most remarkable things about this process is that it is completely mechanical. Our sense of smell, taste and vision all involve chemical reactions, but our hearing system is based solely on physical movement


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Bird Flu and working

July 13th 2006 02:08
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Bird Flu : I have attached a diagram of the working of bird flu.

It's a highly infectious disease that has swept through bird populations in many parts of the world. In October of 2005, the disease reached Eastern Europe, most likely through migratory birds. It continued to spread through Europe, and in February of 2006 it moved into Africa. Although the virus does not infect humans easily, more than half of the people who have contracted it have died


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AIDS(Acquired Immune Deficiency Syndrome) :
Acquired Immune Deficiency Syndrome is one of the worst pandemics the world has ever known. HIV (Human Immunodeficiency Virus), the virus that causes AIDS, was first discovered in 1981 in a remote area of central Africa. It has since swept across the globe, infecting millions in a relatively short period of time. AIDS has killed more than 28 million people that we know of, with up to 3.6 million people dying in 2005 alone While many cases go unreported, the prevalence of the disease is increasing. By comparison:
The flu pandemic of 1918 killed approximately 20 million people worldwide


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health and body

July 13th 2006 01:37
Working of Fat Cells :

A little more than half of the adults in the United States are overweight. Statistics show that an incredible 65.2 percent of the U.S. population is considered to be "overweight" or "obese." According to the Centers for Disease Control and Prevention (CDC), obesity and overweight status is determined in adults by finding a person's "Body Mass Index" or BMI


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Health and well-being

July 13th 2006 01:26
Blog 1: Understanding of Congestive Heart Failure :

Congestive heart failure (also called left ventricular failure or simply heart failure) is a condition in which the heart weakens and fails to keep the blood moving adequately. As a result, the supply of blood to the body's tissues decreases, lowering efficiency and endurance. With poor circulation, the kidneys fail to remove enough water, salt, and wastes from the blood. In addition, the kidneys, because of the decreased blood flow presented to them, retain even more salt and water in an effort to increase blood volume


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