Asbestosis is chronic, progressive inflammation of the lung. It is not contagious. Asbestosis is a consequence of prolonged exposure to large quantities of asbestos, a material once widely used in construction, insulation, and manufacturing. When asbestos is inhaled, fibers penetrate the breathing passages and irritate, fill, inflame, and scar lung tissue. In advanced asbestosis,, the lungs shrink, stiffen, and become honeycombed.
The first symptom of asbestosis is usually shortness of breath following exercise or other physical activity. The early stages of the disease are also characterized by a dry cough and a generalized feeling of illness.
Anyone who works with asbestos should wear a protective mask or a hood with a clean-air supply and obey recommended procedures to control asbestos dust. Anyone who is at risk of developing asbestosis should:
---not smoke
---be vaccinated against influenza and pneumonia
---exercise regularly to maintain cardiopulmonary fitness
----avoid crowds and people who have respiratory infections
A person who has asbestosis should exercise regularly, relax, and conserve energy whenever necessary.
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