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.
Although no one knows exactly what causes rheumatoid arthritis (RA), experts believe that the disease may be the result of a combination of RA risk factors, including:1  Genetics: Certain inherited genes may make you more likely to develop rheumatoid arthritis.lthough no one knows exactly what causes rheumatoid arthritis (RA), experts believe that the disease may be the result of a combination of RA risk factors, including: