Treating rheumatoid arthritis: Reduce pain, replace parts

Most of us realize that arthritis causes stiff, painful joints. Rheumatoid arthritis and osteoarthritis cause these symptoms for different reasons. Osteoarthritis refers to the wearing away of joint cartilage that cushioned the meeting of two bones.

In rheumatoid arthritis, the synovial membrane, responsible for a joint’s protection and lubrication, becomes inflamed, resulting in swelling and discomfort  .  .  .

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