The infection may move up the system to the bladder or to the kidneys. Men most at risk for a UTI include: 1  Those with abnormalities of the urinary tract, such as kidney stones or an enlarged prostate.  Those who have a catheter or tube placed in the bladder.
Familial (hereditary) amyloidosis is a genetic form passed down in families that often affects nerves and kidneys. Secondary amyloidosis (AA) develops along with a chronic infectious or inflammatory disease, such as tuberculosis or rheumatoid arthritis.
Conventional wisdom believes that Rheumatoid Arthritis (RA) is an autoimmune disease in which the body's defense system responds to a false alarm and attacks the joints. It is debated which part of the joint is actually involved. Some believe that the synovium is attacked. Others argue that the collagen is assaulted.