Byssinosis Byssinosis Byssinosis, also called "brown lung disease" or "Monday fever", is an occupational lung disease caused by exposure to cotton dust in inadequately ventilated working environments. Byssinosis commonly occurs in workers who are employed in yarn and fabric manufacture industries. It is now thought that the cotton dust directly causes the disease and some believe that the causative agents are endotoxins that come from the cell walls of gram-negative bacteria that grow on the cotton. Although bacterial endotoxin is a likely cause, the absence of similar symptoms in workers in other industries exposed to endotoxins makes this uncertain. Of the
Paget's disease of bone of arthritis or other disorders, and so diagnosis may be delayed. Paget's may first be noticed as an increasing deformity of a person's bones. Paget's disease affecting the skull may lead to loss of hearing in one or both ears due to compression of the nerves in the inner ear. Rarely, skull involvement may lead to compression of the nerves that supply the eye, leading to vision loss. Paget's disease is a frequent component of multisystem proteinopathy. Advanced Paget's disease may lead to other medical conditions, including: Paget's disease is "not" associated with osteoporosis. Although Paget's disease and osteoporosis can