Saturday, January 31, 2009

What Causes Brain Cancer?

There is no known cause of brain cancer. Extensive research has been conducted to pinpoint a cause to help prevent the cancer from occurring. Although there has not been very much conclusive evidence leading to a cause of brain cancer, the one thing that doctors do know is that brain cancer is not contagious and it does not occur due to head injury. There are known instances where cancer has spread to the brain from other parts of the body.(Lung cancer,Breast cancer,Liver cancer and so on.)

Brain cancer can occur at any age. Studies have shown that two major age groups are affected. From ages 3 to 12 and 40 to 70 are the age groups when brain cancer is formed. Since researchers have been able to gather this data, it has led to the discovery of some risk factors. Workers in certain industries are at a higher risk for brain cancer than workers in other industries. These include, rubber manufacturing, drug manufacturing, and oil refining. Since brain cancer often occurs with members of the same family, heredity is believed to be another cause of brain cancer.

There are many different kinds of cells in the brain, each with a different function. Sometimes the cells inside the brain begin to grow uncontrollably leading to a tumor. A tumor in the brain may or may not be malignant.If benign a tumor stays where it starts, although it can grow very large and put pressure on crucial areas. In the case of a malignant brain tumor however this has the ability to spread and brain cancer occurs. Brain cancer is dangerous and life-threatening as the cancerous cells can interrupt vital brain functions. When brain cancer occurs, the cells continue to grow at a rapid pace. The cells and tissue around these cancerous cells become crowded out and invaded.

Symptoms of brain cancer include headaches that are worse in the morning, changes in personality, abnormal eye movements, and weakness in the arms and legs. Seizures, nausea, and drowsiness are other symptoms of brain cancer.

Surgery is the treatment of choice for primary brain tumors radiation therapy, and chemotherapy are the treatments that are used when cancer has spread to the brain. The doctor will use one or a combination of these treatments depending on the needs of the patient.

Lloyd Perry is the founder of Infoservice.us An Online Health & Fitness Resource. Where you'll find all your Health Info and Resources all in One Place.

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Monday, November 24, 2008

Brain Cancer Types, Causes, Symptoms



MedlinePlus: Brain Cancer
The primary NIH organization for research on Brain Cancer is the National ... Brain tumors can be benign, with no cancer cells, or malignant, with cancer ...www.nlm.nih.gov/medlineplus/braincancer.html

Brain Cancer - Overview, Causes, Risks, Symptoms - oncologychannel
27 Nov 2007 ... Brain tumor types, causes, symptoms, cancer diagnosis, and treatment options including radiation and chemotherapy.www.oncologychannel.com/braincancer/index.shtml -

Brain Cancer Types, Causes, Symptoms, Treatment and Statistics on ...
Brain cancer symptoms include headache, weakness, seizures, clumsiness, and difficulty walking A biopsy is a sample of tissue removed by your doctor to make ...www.emedicinehealth.com/brain_cancer/article_em.htm

Your Household May Be The Cause of Mesothelioma Cancer

Your Household May Be The Cause of Mesothelioma Cancer
By Riley Hendersen

Asbestos is a group of minerals resistant to fire and has long been used throughout history for various purposes. It was found in the burial clothes of the ancient Egyptians. Asbestos is mined from metamorphic rocks. When this material is used in materials to increase their resistance of fire, it is often mixed with cement and woven into clothes and fabric.

Asbestos is everywhere in your household, from your brake shoes, in your electric oven, and hot plate wiring, it is in the insulation of your house. It is resistant to chemicals, it is flexible, a material easy to use and very much in demand. However, the inhalation of asbestos is the cause of various serious illnesses.

Therefore, the use of this material has been banned in many countries due to its cancer causing quality. In the US, chrysolite has been widely used in various products such as texture and mud coats, sheeting, adhesives and ceiling tiles, plasters, roofing tars, siding, pipes, fireproofing, and the list continues for long.

Naturally, asbestos is in small quantity in the air we breathe and the water we drink. Studies have shown that members of population, who are not exposed to high asbestos exposure, have around hundreds of thousands of asbestos fibres in every single gram of their dry lung tissue.

Cancer mesothelioma is almost in every cases caused by exposure to asbestos. The mesothelium is a layer of special cells that form a membrane around certain body cavities. This tissue produces a fluid that protects the organs. These organs are enabled to move by the help of this tissue. It is mainly in the pleura, and the outer lining of the lungs.

Most people who develop mesothelioma cancer have previously been employed in a place where they inhaled asbestos, or have been washing the clothes of people working with asbestos. Developing it shows no relation to smoking.

Diagnosing it is often difficult as symptoms may not occur up to 20 to 50 years after exposure to asbestos. Shortness of breath, coughing, and pain in the chest are signs of cancer mesothelioma. The latter is due to an accumulation of fluid in the pleural space, which are the membrane around the lungs. Symptoms include weight loss, weakness, fatigue, and anorexia. Abdominal swelling, anemia, and fever are also indicators of the tumor as well.

If the cancer has spread to other parts of the body, the mesothelium symptoms will include pain or trouble swallowing, or facial or neck swelling. In severe cases, other signs will show, including blood clots in the veins that may be the cause of thrombophlebitis, severe bleeding in many body organs, and jaundice, in which the skin and the eyes turn yellow. The sugar level of the blood can drop significantly, and pulmonary emboli can develop, which is when blood clots form in the arteries of the lungs.

Mesothelioma cancer does not normally spread to the brain or bones. Pleaural tumors are usually found on one side only of the lungs.

Treatment of mesothelioma cancer with conventional therapies have not proved successful, and patients have a survival time span of 6-12 months only. This fact is mainly due to the slow forming of the tumors after the long exposure to asbestos. Surgery has not proved helpful at all in most of the cases. Only 10% of the patients who have been operated have lived for up to 5 years after the surgery.

Radiation has proved to be useful in relieve symptoms, although, the tumours are highly resistant to radiotherapy. Most successful of the treatments is Heated Intraoperative Intraperitoneal Chemotherapy which helps the drugs to enter more efficiently into the abdominal and pelvic tissues by way of heating the fluid agent.

There are various societies and organisations which can help you identify the risk of asbestos exposure in your household, and they can provide you with guidance on how to eliminate the risk.

For more information on cancer try visiting http://www.cancercondition.com - a website that specializes in providing cancer related information and resources including information on mesothelioma cancer.

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Sunday, November 23, 2008

The Value Of Radiation Therapy And Chemotherapy After Surgery For Pancreatic Cancer

The Value Of Radiation Therapy And Chemotherapy After Surgery For Pancreatic Cancer
By Carol Kornmehl

Pancreatic cancer, which generally has a very poor prognosis, is the fourth most common cause of cancer-related deaths. It killed greater than 32,000 Americans last year. Therefore, researchers are investigating methods to improve the outlook.

A large study recently demonstrated that patients who underwent surgical removal of the pancreas, who were given both radiation therapy and chemotherapy afterwards, derived improved survival.

When radiation therapy and/or chemotherapy are administered to a person who has undergone an operation to remove all the visible cancer, it is termed adjuvant therapy. An example of the routine use of adjuvant radiation therapy and chemotherapy is that of a woman who has had a lumpectomy to remove a malignant breast tumor.

Investigators reviewed the records of 472 people who had complete surgical removal of the pancreas. All had negative margins, meaning a rim of normal tissue surrounded the cancer cells. Patients whose disease spread beyond the pancreas or whose disease could not be removed entirely were excluded from the study. Also excluded were patients who had a slow growing variant of pancreatic cancer.

At the end of the review, the records of 454 patients were eligible for analysis. A comparison was then made of those who received adjuvant radiation therapy and chemotherapy concurrently after surgery versus those who did not.

Over half of the patients received adjuvant radiation therapy and chemotherapy (274 out of 454 patients). 50 percent of these survived two years and 28 percent went on to live at least five years.

This data was in stark contrast to one-third (180 out of 454 patients) who received no additional therapy after surgery and whose survival was significantly less; 39 percent at two years and 17 percent at five years, respectively.

In addition, patients who received further chemotherapy after their course of adjuvant concomitant radiation therapy and chemotherapy seemed to have even better survival; 61 percent and 31 percent at two and five years, respectively. However, only 28 of 454 patients received this regimen, so it is premature to draw conclusions from this limited sized population.

Nonetheless, the findings of this study suggest a significant improvement in survival rates for those who undergo adjuvant radiation therapy and chemotherapy after complete removal of pancreatic cancer. More good news is that the incidence of pancreatic cancer has decreased over the past few years.

Dr. Kornmehl is a board certified radiation oncologist at Passaic Beth Israel Regional Medical Center, Passaic, NJ and author of the critically acclaimed consumer health book, The Best News About Radiation Therapy (M. Evans, 2004). Her website is http://www.RTSupportDoc.com

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Saturday, November 22, 2008

InternetBased Grid Computing

Internet-Based Grid Computing
By Denny Lancaster

An open letter to members of D'Wild West (A The Site Fights Team) was sent in October 2000, which is below. After seven years the UD grid accomplished its goals and remains silent as of Friday April 27, 2007.

The research centered on proteins that were been determined to be a possible target for cancer therapy. Through a process called virtual screening, special analysis software identified molecules that interacted with these proteins, and determined which of the molecular candidates had a high likelihood of being developed into a drug. The process is similar to finding the right key to open a special lock by looking at millions upon millions of molecular keys.

Participants in the Cancer Research Project were sent a ligand library over the Internet. Their PC analyzed the molecules using a docking software called LigandFit by Accelrys. The LigandFit software analyzed the molecular data by using a three-dimensional model to attempt to interact with a protein binding site. When a ligand docked successfully with a protein, the resulting interaction was scored and the interactions that generated the highest scores were recorded and filed for further evaluation.

We need a better answer. Over five decades of cancer research effort in drug discovery and development have yielded more than 40 drugs for the treatment of cancers. These anti-cancer drugs are extending the lives of many people with cancer, but often at great cost. The side effects commonly associated with cancer therapy often may seem as bad as the disease itself. Side effects can be so severe that they limit the dosages patients can receive. And half of all cancer patients fail to respond to the therapies currently available.

Despite these shortcomings, these therapies are still quite costly a considerable amount of money is spent on treating cancer. Treatment of cancers account for over 6% of all health care costs. The National Institutes of Health estimate cancer is responsible for $37 billion for direct medical costs, and $11 billion in lost productivity due to illness. The discovery of new drugs represents the best hope to fight both the rising medical costs and the suffering associated with current cancer therapies.

There could hardly be a scourge more worth fighting the high mortality rate, the suffering experienced by patients, and the high costs of treatment make fighting this disease a research priority.

Even with extensive pre-screening, the whittled-down number of molecules to review for this project is estimated at over two hundred million for each protein a daunting number. Analyzing this quantity of anything requires an enormous amount of computational power. And when the numbers are this big, even supercomputing is limited. A super computer has a peak capacity. That is, if a workload is three times the capacity of the computer, the jobs must be queued up and attacked consecutively. A project like this one might take so much time that a researcher wouldn't even embark on it he or she wouldn't see the end result in their lifetime. However, with distributed computing, thousands or even millions of individual computers can each work on different molecules simultaneously, and the time to results can be significantly lessened.

Diana Campbell's Letter

I have had Stage IV Breast Cancer (metastases to the bones) since Sept. 2000, and was first diagnosed as Stage IIIB in January, 1992. The past decade has been a roller coaster ride and if you, a family member or friend has cancer, then you know what I'm talking about.

I began researching Stage IV Breast Cancer in the summer of 1999 when an X-ray during a checkup showed a suspicious sliver on a back rib. Many months later, this sliver was a huge tumor, but it had previously biopsied negative. I had a feeling something was not right so I began researching. I found there was not as much info on Stage IV as there was on Breast Cancer prevention and awareness as well as early stage, primary diagnosis and treatment.

So I created this website and the associated Survivor webring, email lists, research project and stores. My goal was to provide the information here that we all want to know at this Stage -- mostly associated with what we can do to prolong our lives. I am in the process of updating and adding but I hope this site will be of some help to you. Please join the UD grid too as this project will help speed cancer research and possibly help me and others too very shortly as we cope with stage IV breast cancer.

Diana Campbell

Diana passed away on February 19, 2003

Within a month of joining Diana's team in December 2000 I found that cancer had vested itself in my frailer human body too.

The initial team which Diana formed began to dwindle as cancer took its ugly toll. Wishing always remember my dear friend and make a contribution, my resources were transferred to the AS! team-CureNow. AS! is now exploring forming another team with broader appeal beyond the very small awards community and will be making a decision in the very near future. I will certainly join and a new team graphic with a link will be updated in this space.

To keep the memory of Diana alive there are now various Internet-based grid computing schemas available, thanks to the pioneering work of Oxford University and United Devices.

The World Community Grid software uses the idle time of Internet-connected computers and applies this computing power toward the advancement of humanity.

The agent works like a screen saver, only using a computer's resources when it would otherwise be idle and relinquishing the resources back to the users when they start using the computers again. The agent can also be run like an application, always running in the background unless specifically disabled/paused.

While many public computing grids such as SETI@home or Folding@home have been devoted to a single project, the World Community Grid offers multiple humanitarian projects under a single umbrella. Projects are approved by an advisory board, with members from most of the major research institutions and universities, as well as the UN and WHO.

Within the grid, users may join teams that have been created by organizations, groups, or individuals. Teams allow for a heightened sense of community identity and attempts to inspire competitiveness.

World Community Grid also differs from other grid projects by offering support for more than one grid infrastructure. The open source BOINC client is available for Linux, Windows, and Mac; the proprietary Grid MP from United Devices Inc. is only available for Windows.

History

The United Devices Smallpox Research Grid Project was sponsored by IBM and other Research Participants to accelerate the discovery of a smallpox cure. The Smallpox study employed computational chemistry on a massive distributed computing grid to analyze candidates for a medical therapy to fight the smallpox virus.

The project allowed scientists to screen 35 million potential drug molecules against several smallpox proteins to identify good candidates for developing into smallpox treatments. In the first 72 hours, 100,000 results were returned and 44 strong treatment candidates were identified at the completion of the project.

Based on the success of the Smallpox study, IBM announced on November 16, 2004 the creation of World Community Grid with the goal of creating a technical environment where other humanitarian research could be processed.

World Community Grid initially only supported Windows, using the proprietary grid technology from United Devices which powers grid.org projects. Strong demand for Linux support led to the open source BOINC grid technology which powers the Seti@home and Climateprediction (among others) being added. Mac OS X support is now also included.

As of March 24, 2007, the World Community Grid had nearly 272,000 members with over 550,000 registered work stations. It had a total process run time equivalent to about 82,000 years and about 80 million results have been sent. The World Community Grid updates these statistics several times a day, making the information available through a dedicated statistics page.

APEX

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Saturday, November 8, 2008

Alcohol Stimulates Cancer Development

Alcohol Stimulates Cancer Development
By Laurence Magne

Researchers are now making a strong association between alcohol use and cancers of the esophagus, pharynx, and mouth, whereas another study links alcohol with liver, breast, and colorectal cancers. Together, these cancers kill more than 125,000 people annually in the United States. For the first time scientists have demonstrated how alcohol stimulates tumor growth.

Their study, published in the January 15, 2005 issue of Cancer, says alcohol fuels the production of a growth factor that stimulates blood vessel development in tumors. For almost a hundred years mounting evidence has linked alcohol use to an increased risk of cancers of the stomach, esophagus, liver, breast, and colon. Researchers were never able to explain how alcohol may cause cancer.

Theories suggests that the acetaldehyde found in alcohol, dietary imbalances, and impaired nutrient metabolism and the inability of the body to detoxify due to alcohol consumption, activation of precancerous enzymes, and suppression of the immune system.

8 Times More Cancer Cells

The investigators found that compared to their control group, the subjects who had been exposed to high alcohol consumption experienced increases in tumor size, tumor blood vessel density, cancer cell infiltration of blood vessels. Tumor volume and vascular volume more than doubled.

They had more than eight times the level of cancer cell invasion of blood vessels compared to the control group.

These findings support the hypothesis that alcohol represents an important mechanism of cancer progression associated with alcoholic beverage consumption. A recent study indicates that as few as two drinks per day can suppress any beneficial effects of a correct diet on decreasing risk of colon cancer. Although the study suggests that a diet high in folic acid, a B vitamin found in fresh fruits and vegetables, decreases the risk for colon cancer, it also warns that alcohol consumption may counter this protective action and increase the risk for colon cancer by reducing folic acid levels.

Suppression of immune response. Alcoholism has been associated with suppression of the immune system. Immune suppression makes chronic alcohol users more susceptible to various infectious diseases, and to cancer.

by Dr Laurence Magne, publisher of Alternative Health Ebooks and Author of Cancer Free for Life

For more information go to http://www.cancer-free-for-life.com.

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Thursday, October 30, 2008

Risk Factors for Kidney Cancer

Risk Factors for Kidney Cancer
By Michael Russell

There are many risk factors for kidney cancer. Among a few of the top risks are smoking, an inactive life style, exposure to chemicals at home or where you work, being overweight and family history. There are other risk factors that can lead to kidney cancer also, such as, high blood pressure, taking diuretics, race, gender and certain medications. The thing to remember is just because risk factors are present does not mean the disease will form. Risk factors give the physician a better idea on how to assess symptoms and how closely to watch a patient. A patient with a higher amount of risk factors will be watched more closely when symptoms of the disease arise than those without risk factors.

It is also important to know risk factors to help aid in preventing the disease from occurring. If there are risk factors you can prevent such as smoking or increasing vitamin intake, you maybe able to help lower your chance of getting the disease. If you stop smoking, the chances of you contracting kidney cancer are greatly reduced by as much as 40%.

Some risk factors can not be avoided; such as genetic factors. As with many forms of kidney cancer, losing weight and maintaining daily exercise will definitely help your cause. Obesity is the most common reason for adult onset diabetes and juvenile diabetes, causing the need for dialysis or kidney failure. Dialysis is inevitable in most patients with type 1 or type 2 diabetes.

Among these common risk factors are also Tuberous Sclerosis, Von Hippel Lindau disease and low vitamin E intake. Von Hippel-Lindau disease is a disease of tumors, which cause complications in the nervous system. It causes continuous growth of tumors in the brain; causing problems with common things like walking, vision loss and retinal problems. It also causes tumors in the kidneys and pancreas. Von Hippel Lindau disease in very rare and is found in only 1 of 36,000 cases and commonly diagnosed in the mid to upper twenties. Symptoms of the disease are mostly finding multiple tumors in common areas, or one tumor in named areas and a definite family history of the disease.

Tuberous Sclerosis, also known as TSC, is a complex; which causes irregular development of benign tumors in the central nervous system. TSC can cause seizures, behavioral problems and skin abnormalities. The tumors often form in the heart, kidneys and lungs. TSC can be mild or severe and one can live a normal life, if it is treated properly.

The most important thing that you need to do is to consult with your physician regularly if you have any of these risk factors. Prevention is important by taking actions on those things that you can control or stop. However, do not stop taking medications. Remember, these are risk factors and though having them does not guarantee that you will contract kidney cancer it does mean you should educate yourself and get regular checkups to aid in early detection. The earlier the cancer is found the better the prognosis.

Michael Russell

Your Independent guide to Kidney Cancer

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