What Causes Asbestos Cancer

Asbestos cancer is referred to as such because development of mesothelioma is conclusively linked to asbestos exposure. Asbestos is a fibrous mineral that was used for centuries in a number of different industrial capacities and asbestos jobsites. While it was quite useful, unfortunately it was also carcinogenic, leading to mostasbestos products being banned in the late 1970's.

Pleural mesothelioma is caused by inhaled asbestos fibers which lodge in the pleura and lung wall. Because they are quite durable, they cannot be broken down by chemical means or expelled by other body functions.
Peritoneal mesothelioma is caused by either ingested asbestos fibers which lodge beneath the digestive tract or fibers which affect the lymph nodes. Pericardial mesothelioma's causal relationship with asbestos is uncertain but physicians and researchers believe the microscopic asbestos fibers actually enter the bloodstream through the lungs and become affixed to the lining of the heart in transfer. Asbestos fibers on this delicate tissue cause a sustained inflammation of the area, causing harmful scar tissue and asbestos cancer cells to develop.

source :

http://www.mesothelioma.com/asbestos-cancer/

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