Rheumatoid Arthritis Symptoms
Rheumatoid arthritis is an autoimmune disease.
An autoimmune disease is when your body's immune system attacks and
destroys
your body's own tissues. In the case of Rheumatoid arthritis the immune
system is attacking the joints, organs and other parts of the body.
The joints become swollen, stiff, and painful. In later stages, the
joints can become deformed. Other areas of your body can also be
affected,
including your lungs, heart, blood vessels, and eyes. About 1 percent
of the
U.S. population suffers from RA. Typically, it strikes between the ages
of
30 and 60, but it can occur at any age.
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