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  2. 2. Asbestos is the name given to a group of naturally occurring minerals that has been used in certain products, such as insulation, tiles, building materials and vehicle brakes, to resist heat and corrosion. Asbestos includes the mineral fibers chrysotile, amosite, crocidolite, tremolite, anthophyllite, actinolite and any of these materials that have been chemically treated and/or altered. The heaviest exposures tend to occur in the construction industry, particularly during the removal of asbestos during renovation or demolition. Workers are also likely to be exposed during the manufacture of asbestos products (such as textiles, friction products, insulation, and other building materials) and during automotive brake and clutch repair work. <br />ASBESTOS<br />
  3. 3. Health Effects<br />Significant exposure to any type of asbestos will increase the risk of lung cancer, mesothelioma and nonmalignant lung and pleural disorders, including asbestosis, pleural plaques, pleural thickening, and pleural effusions. <br />Diseases from asbestos exposure take a long time to develop. Most cases of lung cancer or asbestosis in asbestos workers occur 15 or more years after initial exposure to asbestos. Tobacco smokers who have been exposed to asbestos have a "far greater-than-additive" risk for lung cancer than do nonsmokers who have been exposed, meaning the risk is greater than the individual risks from asbestos and smoking added together. The time between diagnosis of mesothelioma and the time of initial occupational exposure to asbestos commonly has been 30 years or more. Cases of mesotheliomas have been reported after household exposure of family members of asbestos workers and in individuals without occupational exposure who live close to asbestos mines.<br />
  4. 4. Asbestosis is a serious, progressive, long-term disease of the lungs. Asbestosis is not a cancer. Inhaling asbestos fibers that irritate and inflame lung tissues, causing the lung tissues to scar, causes asbestosis. The scarring makes it hard to breathe and difficult for oxygen and carbon dioxide pass through the lungs. Asbestosis generally progresses slowly. The latency period for the onset of asbestosis is typically 10-20 years after the initial exposure. The disease can vary from asymptomatic (no symptoms) to disabling and potentially fatal.<br />Asbestosis<br />
  5. 5. Signs and Symptoms of asbestosis can include:<br />Shortness of breath is the primary symptom<br />A persistent and productive cough (a cough that expels mucus)<br />Chest tightness<br />Chest pain<br />Loss of appetite<br />A dry, crackling sound in the lungs while inhaling.<br />
  6. 6. Using asbestos is considered to ban because it has a bad effects specially in the health of the people who use it. Although it has a advantages on a construction world and industries, exposure to asbestos can cause lung cancer, and other diseases.<br />For me, it is better to discontinue using asbestos than to have a diseases.<br />Asbestos to Ban<br />