Rheumatoid arthritis is the second most common type of arthritis and the most severe. It affects 5 to 8 million Americans. Rheumatoid arthritis may begin at any age, but is most common to strike people in their 30’s and 40’s. When it affects children, it is termed Juvenile rheumatoid arthritis. It affects women three times more often then men. The cause of Rheumatoid arthritis is unknown, but it is clear that the immune system is linked. The immune system normally protects against foreign invaders and disease. Instead, in Rheumatoid arthritis, it attacks the joints, especially the synovium (joint lining), which results inflammation. It most commonly destroys small joints, such as those in the hands and feet. The synovium secretes more fluid, which makes the joints more swollen. In later stages, the cartilage becomes rough and pitted. Tendon and ligaments also becom....

Number Of Pages: 5

Number Of Words: 1130

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