Occupational disease and non-compensable diseases that have occupational origins. Some well-known occupational diseases include: Occupational lung diseases include asbestosis among asbestos miners and those who work with friable asbestos insulation, as well as black lung (coalworker's pneumoconiosis) among coal miners, silicosis among miners and quarrying and tunnel operators and byssinosis among workers in parts of the cotton textile industry. Occupational asthma has a vast number of occupations at risk. Bad indoor air quality may predispose for diseases in the lungs as well as in other parts of the body. Occupational skin diseases are ranked among the top five occupational diseases in many
Inclusion body disease and may develop clogged nares (nostrils), stomatitis, or secondary pneumonia. The disease can rapidly progress to produce nervous-system disorders, such as disorientation, corkscrewing of the head and neck, holding the head in abnormal and unnatural positions, rolling onto the back, or stargazing. Stomatitis, pneumonia, undifferentiated cutaneous sarcomas, lymphoproliferative disorders, and leukemia have all been observed in affected specimens. Burmese pythons generally show signs of central nervous system disease without manifestation of other clinical signs and regurgitation is seen only in boas. These are symptoms similar to those seen in specimens infected by "Chlamydia"–specifically "Chlamydophila psittaci", the so-called parrot's disease. Several