Rheumatoid arthritis is a relatively common disorder affecting 1.3 million Americans. It usually begins between age 20 and 50, and women are affected three times as frequently as men.
Rheumatoid arthritis (RA) is characterized by inflammation and pain in the hands -- especially in the joints of the fingers, as well as in the wrists, knees, ankles, elbows, shoulders, and feet. RA can affect almost any joint in the body, except the lower back. The duration and intensity of pain vary from person to person.
The pain of rheumatoid arthritis (RA) can make even simple tasks feel impossible. Even if you're doing everything right, you may still have pain and stiffness some days. Treatment of RA takes time and often a bit of fine-tuning. But that doesn't mean you need to accept painful flares.
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RA can also cause damage to other parts of the body, including the lungs, eyes, and nerves. General fatigue and difficulty sleeping are also common. The discomfort of rheumatoid arthritis can develop over weeks or months and tends to be most severe on awakening. Many people with rheumatoid arthritis are stiff in the morning and after sitting for prolonged periods.
Rheumatoid arthritis may eventually cause the hands and feet to become misshapen as muscles weaken and tendons are damaged and slip from their normal positions. Some of this deformity can be prevented with appropriate treatment.
While there is no complete cure, treatment begun at the onset of the disorder relieves symptoms in most people. With early treatment, the likelihood of permanent disability is reduced in all but 5% to 10% of sufferers.
What Causes Rheumatoid Arthritis?
The cause of rheumatoid arthritis is not fully understood, though most research shows that it is an autoimmune disorder -- meaning that the body's immune system is attacking one or more areas of the body. Some people have a genetic or inherited factor that makes them more likely to develop rheumatoid arthritis.