Friday, August 04, 2006

Mesothelioma Latest Research

A great deal of research into mesothelioma is related to learning about the effects of asbestos upon cells and how the cells are changed by exposure to this material. By learning how healthy cells and corrupted by asbestos, more can be learned about how cell corruption can be prevented or treated.

The chances of recovery depend on a number of factors that include:

• Size of the cancer
• Location of the cancer
• Spread of the cancer throughout the body and its detection under the microscope
• Response to treatment depending upon age of patient

Asbestos is a group of fibrous metamorphic minerals of the hydrous magnesium silicate variety. Asbestos is available in different forms such as crocidolite, tremolite, actinolite and anthophyllite. Most asbestos fibers are invisible to the human eye because of their size. Fibers form when these minerals are originally cooled and crystallized and the polymeric molecules line up parallel to each other.

How does asbestos spread and cause harm?
As they get smaller and lighter, they become more mobile and easily get into the air, from where people can inhale and absorb them. The inhalation of some kinds of asbestos fiber leads to serious illnesses, which include asbestosis, mesothelioma, and asbestos related lung cancer.

Mesothelioma is an unusual, but not a rare cancer. It is difficult to diagnose and treat, and responds poorly to therapy. Mesothelioma is a disease in which cancerous cells start growing around the heart, chest or abdominal region of the body. Mesothelioma affects the mesothelium membrane that covers the internal organs of the body and allows them to easily move against each other. Mesothelioma can cause growth of mesothelium beyond control which in turn damages the organs.

Also, it takes about 30-40 years after asbestos exposure for mesothelioma symptoms to occur. A lot of people working for asbestos manufacturing companies have been exposed to this substance, which leads to Mesothelioma.

Asbestos has been used in products such as:
• boilers and pipe covering
• insulating cement,
• electrical wires and gaskets
• floor and ceiling tile
• roofing materials and fireproofing
• plastic cement and wallboard/millboard and asbestos cloth
• blankets and insulating block
• break pads and linings

People who are most vulnerable to asbestos are people who have worked in industries where it is manufactured.

Latest researches on mesothelioma
Although science is not certain as to the exact mechanism that causes mesothelioma, it is thought that the asbestos fibers puncture the parenchyma, become lodged in the pleura, and by process of irritation create the change in the cells, which causes the mesothelioma.

While asbestos is the major cause of many diseases and cancers such as pericardial mesothelioma, peritoneal mesothelioma, pleural mesothelioma and other problems, according to latest research, there are cases of mesothelioma cancer where patients did not have any prior asbestos exposure. There could be some other possible causes such as prior exposure to radiation; as years ago a substance called thorium dioxide was used in some X-ray tests, and it was discovered that this substance had potential to cause various types of cancer. Other reasons for mesothelioma include some minerals closely related to asbestos that are found in the soil. Researchers are studying exactly how asbestos causes meosthelial tissue to develop into a mesothelioma.

Smoking does not appear to increase or cause mesothelioma, but it may cause other lung diseases. Mesothelioma cancer is not contagious and cannot be passed on to other people. Inherited faulty genes do not cause it. Therefore, children of people suffering from mesothelioma cancer do not have an increased risk of developing mesothelioma cancer.

According to latest research, older buildings that have exposed insulation that contains asbestos or areas where asbestos fibers are disturbed or exposed should be checked by experts and repaired or removed. Asbestos fixed firmly and used as insulation within enclosed areas such as walls and pipes is not likely to pose a health hazard with regard to malignant pleural mesothelioma. Asbestos should not sawed, drilled or handled in any other manner that could cause the asbestos fibers to be diffused into the air, and inhaled.

There is no safe level of exposure. To ensure their safety, people who work with asbestos need protection from exposure. It has been found that the particles of asbestos dust on their clothes are carried home to their families, putting more people at risk. Mesothelioma asbestos poisoning is usually fatal, and death often results within a relatively short span of time from the period the symptoms are first manifested. So, it is better to prevent yourself from getting mesothelioma.