Until the last 25 years of the 20th century asbestos was heavily used in many different construction techniques. This mineral was a fantastic way to insulate, prevent fires, and overall help the building remain weather and fire proof. The unfortunate downside is that asbestos is a known human carcinogen. Prolonged exposure to this mineral leads to lung cancer, asbestosis, and mesothelioma. Here is how that works.
What is Prolonged Exposure?
If you live in a house built before about 1975, then you likely have some asbestos in the house. You may have asbestos siding, or asbestos built into the popcorn ceiling, or if you look around in the attic, you likely have asbestos up there too. The good news is that this asbestos isn’t going to hurt you. Unless you disturb the material it remains inert. And even if you spend a little bit of time, with minimal precautions, removing the material, there is little chance that you will have enough exposure to cause lasting damage.
Prolonged exposure means you are exposed day after day, for years on end, to the material. It looks like this: you go into work at a factory or manufacturing plant. In this plant there are areas that have furnaces and boilers, so the company has used asbestos to insulate. Unfortunately things get dirty, so you, or someone else, are always busy scrubbing, brushing, and wiping away at the surfaces. This disturbs the asbestos fibers which become airborne. Day after day you inhale small amounts of these particles causing long-term damage to your lungs.
How Asbestos Leads to Mesothelioma,Cancer or Asbestosis
Asbestos fibers look almost like little chards of fiberglass. They are jagged and when they go into the lungs they lodge into the linings. Once in place the body naturally tries to get rid of them. However, there is way to dislodge them, so the area becomes inflamed and irritated. This is the perfect environment for cancer to start growing. Lung cancer is common, asbestosis (simply defined as scarring of the lung tissue) easily occurs, and mesothelioma can occur. In fact, if you have been diagnosed with mesothelioma, the only way to contract that disease is through asbestos exposure.
You Can Get Help
The unfortunate downside is that the disease cannot be cured. The good side is that modern medicine has come a long way, and with mesothelioma treatment you can be kept comfortable. If you are suffering from asbestosis, lung cancer, or mesothelioma, you can file an asbestos lawsuit and collect compensation for medical expenses and other damages. You simply need to contact an asbestos attorney to get things started.
When is Asbestos Dangerous?
The most common way for asbestos fibers to enter the body is through breathing. In fact, asbestos containing material is not generally considered to be harmful unless it is releasing dust or fibers into the air where they can be inhaled or ingested. Many of the fibers will become trapped in the mucous membranes of the nose and throat where they can then be removed, but some may pass deep into the lungs, or, if swallowed, into the digestive tract. Once they are trapped in the body, the fibers can cause health problems.
Asbestos is most hazardous when it is friable. The term "friable" means that the asbestos is easily crumbled by hand, releasing fibers into the air. Sprayed on asbestos insulation is highly friable. Asbestos floor tile is not.
Asbestos-containing ceiling tiles, floor tiles, undamaged laboratory cabinet tops, shingles, fire doors, siding shingles, etc. will not release asbestos fibers unless they are disturbed or damaged in some way. If an asbestos ceiling tile is drilled or broken, for example, it may release fibers into the air. If it is left alone and not disturbed, it will not.
Damage and deterioration will increase the friability of asbestos-containing materials. Water damage, continual vibration, aging, and physical impact such as drilling, grinding, buffing, cutting, sawing, or striking can break the materials down making fiber release more likely.
Health Effects
Because it is so hard to destroy asbestos fibers, the body cannot break them down or remove them once they are lodged in lung or body tissues. They remain in place where they can cause disease.
There are three primary diseases associated with asbestos exposure:
- Asbestosis
- Lung Cancer
- Mesothelioma
Asbestosis
Asbestosis is a serious, chronic, non-cancerous respiratory disease. Inhaled asbestos fibers aggravate lung tissues, which cause them to scar. Symptoms of asbestosis include shortness of breath and a dry crackling sound in the lungs while inhaling. In its advanced stages, the disease may cause cardiac failure.
There is no effective treatment for asbestosis; the disease is usually disabling or fatal. The risk of asbestosis is minimal for those who do not work with asbestos; the disease is rarely caused by neighborhood or family exposure. Those who renovate or demolish buildings that contain asbestos may be at significant risk, depending on the nature of the exposure and precautions taken.
Lung Cancer
Lung cancer causes the largest number of deaths related to asbestos exposure. The incidence of lung cancer in people who are directly involved in the mining, milling, manufacturing and use of asbestos and its products is much higher than in the general population. The most common symptoms of lung cancer are coughing and a change in breathing. Other symptoms include shortness of breath, persistent chest pains, hoarseness, and anemia.
People who have been exposed to asbestos and are also exposed to some other carcinogen -- such as cigarette smoke -- have a significantly greater risk of developing lung cancer than people who have only been exposed to asbestos. One study found that asbestos workers who smoke are about 90 times more likely to develop lung cancer than people who neither smoke nor have been exposed to asbestos.
Mesothelioma
Mesothelioma is a rare form of cancer that most often occurs in the thin membrane lining of the lungs, chest, abdomen, and (rarely) heart. About 200 cases are diagnosed each year in the United States. Virtually all cases of mesothelioma are linked with asbestos exposure. Approximately 2 percent of all miners and textile workers who work with asbestos, and 10 percent of all workers who were involved in the manufacture of asbestos-containing gas masks, contract mesothelioma.
People who work in asbestos mines, asbestos mills and factories, and shipyards that use asbestos, as well as people who manufacture and install asbestos insulation, have an increased risk of mesothelioma. So do people who live with asbestos workers, near asbestos mining areas, near asbestos product factories or near shipyards where use of asbestos has produced large quantities of airborne asbestos fibers.
Other Cancers
Evidence suggests that cancers in the esophagus, larynx, oral cavity, stomach, colon and kidney may be caused by ingesting asbestos. For more information on asbestos-related cancers, contact your local chapter of the American Cancer Society.
Determining Factors
Three things seem to determine your likelihood of developing one of these asbestos related diseases:
- The amount and duration of exposure - the more you are exposed to asbestos and the more fibers that enter your body, the more likely you are to develop asbestos related problems. While there is no "safe level" of asbestos exposure, people who are exposed more frequently over a long period of time are more at risk.
- Whether or not you smoke - if you smoke and you have been exposed to asbestos, you are far more likely to develop lung cancer than someone who does not smoke and who has not been exposed to asbestos. If you work with asbestos or have been exposed to it, the first thing you should do to reduce your chances of developing cancer is to stop smoking.
- Age - cases of mesothelioma have occurred in the children of asbestos workers whose only exposures were from the dust brought home on the clothing of family members who worked with asbestos. The younger people are when they inhale asbestos, the more likely they are to develop mesothelioma. This is why enormous efforts are being made to prevent school children from being exposed.
Because each exposure to asbestos increases the body burden of asbestos fibers, it is very important to reduce and minimize your exposure.
Mesothelioma Survival Rates
About 40 percent of mesothelioma patients survive at least one year. Less than 10 percent survive longer than five years. Patients diagnosed in the earliest stage who undergo treatment have a five-year survival rate of 16 percent, according to the American Cancer Society.What Are the Most Common Mesothelioma Symptoms?
The most common symptoms of pleural mesothelioma include shortness of breath, fluid buildup and chest pain. The most common peritoneal mesothelioma symptoms include abdominal pain, diarrhea or constipation and unexplained weight loss.
What Causes Mesothelioma?
Mesothelioma is caused by inhaling asbestos fibers. The risk factors for developing mesothelioma include working in an asbestos plant or working with asbestos products. Smoking is not a risk factor by itself but can further the damage done by asbestos exposure.
What Causes Mesothelioma?
Mesothelioma is caused by inhaling asbestos fibers. The risk factors for developing mesothelioma include working in an asbestos plant or working with asbestos products. Smoking is not a risk factor by itself but can further the damage done by asbestos exposure.
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