Arthritis is a form of joint disorder that involves inflammation of
one or more joints. There are over 100 different forms of arthritis.
The most common form, osteoarthritis (degenerative joint disease),
is a result of trauma to the joint, infection of the joint, or age.
Other arthritis forms are rheumatoid arthritis, psoriatic arthritis,
and related autoimmune diseases.Septic arthritis is caused by joint