What sort of problem is amyloidosis?

Amyloidosis: Amyloidosis refers to a variety of conditions whereby the body produces "bad proteins", denoted as amyloid proteins, which are abnormally deposited in organs and/or tissues and cause harm. Symptoms vary widely depending upon the organ in which the abnormal proteins build up. For more see: http://en.Wikipedia.Org/wiki/amyloidosis.

Protein deposition: Amyloidosis refers to the deposition of a type of protein into certain organs. There are different subtypes of amyloid proteins depending on the cause. Amyloidosis can be of hereditary, infectious, inflammatory and neoplastic types.