Rheumatoid Arthritis (RA) is an autoimmune disease which causes chronic inflammation of the joints, the tissue around the joints and other organs in the body. This condition occurs when the body's immune system mistakenly attacks the membrane that lines the joints (synovium), causing joint damage, disabling pain, and loss of function.
Rheumatoid Arthritis (RA) can also affect many organs, including the heart, lungs, blood vessels and skin. Patients may experience periods of symptom inactivity followed by flares, or mild to severe symptom activity. Women are three times more likely than men to be diagnosed with Rheumatoid Arthritis (RA). The condition currently affects 1% of the world's population. Symptoms can be so severe that they entirely impair function and mobility and cause chronic, debilitating pain. Diagnosis of the condition is based upon the variety and severity of symptoms and thus the Rheumatoid Arthritis (RA) may be misdiagnosed or go undiagnosed for a long period of time. The condition is progressive; however the rate of progression varies greatly among patients.
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