Arthritis is defined as pain and inflammation of a joint. Osteoarthritis, rheumatoid arthritis, and gout are the most common. Approximately 40 million Americans have osteoarthritis. This entry discusses the causes, diagnosis, and treatment of these types of arthritis.

Osteoarthritis is believed to be caused by muscle imbalances, acute injury, cumulative injury, and genetic predisposition. Rheumatoid arthritis is the result of the immune system attacking the joints. Gout is caused by the deposition of uric acid crystals in the joints.


Risk Factors


Risk factors for osteoarthritis include advanced age, female sex, obesity, activity ...

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