RA is a chronic systemic inflammatory disease of unknown etiology. It is characterized by a chronic polyarthritis affecting primarily the peripheral joints and related periarticular structures. It usually starts as an insidious symmetric polyarthritis, often with nonspecific systemic symptoms such as fatigue, low-grade temperatures, and loss of weight. It has an unpredictable and variable course and prognosis. Diagnostic and classification criteria have been proposed and are now widely used in both research and clinical practice (see Box 38.1 ).6

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Naturally Cure Your Headaches

Are Headaches Taking Your Life Hostage and Preventing You From Living to Your Fullest Potential? Are you tired of being given the run around by doctors who tell you that your headaches or migraines are psychological or that they have no cause that can be treated? Are you sick of calling in sick because you woke up with a headache so bad that you can barely think or see straight?

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