What Causes Mesothelioma Cancer?
Mesothelium is a tissue or membrane that helps protect internal organs. When cancer invades this tissue it's called mesothelioma. Mesothelioma is often diagnosed in the chest or lung area and more rarely, the linings that surround the heart and testicles. There are 2,000 to 3,000 new cases of mesothelioma diagnosed in the United States each year and the disease tends to affect men more than women.
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Asbestos
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Asbestos exposure is the most common cause of mesothelioma. Prior to 1989 asbestos was used in many products from building materials to automobile parts. Individuals exposed to asbestos in a work or home setting for long periods of time are at the greatest risk of developing mesothelioma.
Thorium Dioxide
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Thorium dioxide is a radioactive substance once used in x-rays. The practice of using thorium dioxide for x-rays was stopped in the 1950s when it was discovered that the substance causes cancer.
Family History
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According to The National Library of Medicine, genetics may play a part in developing mesothelioma. The study showed an increased susceptibility to cancer causing minerals may run in families. Living with a family member exposed to asbestos in the workplace may also increase a person's chance of developing the disease.
SV40 Virus
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In the 1950s and '60s, monkeys infected with the SV40 virus were used to help create polio vaccines. Millions of Americans were exposed to the virus through the vaccines. According to the American Cancer Society, some lab tests have shown an increase in mesothelioma in lab animals exposed to the virus. Whether the virus causes mesothelioma in vaccinated individuals is still being researched.
Erionite
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Erionite is a mineral found in some soils. The mineral is associated with an increased risk of developing mesothelioma. Studies in areas of Turkey where erionite is abundant show an increase in mesothelioma.
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