Bird Flu: Human Infection
How joint pain and the destruction of cartilage are related is not fully understood. Cartilage itself does not cause pain because there are no nerve structures in cartilage jacksonville beach homes for sale to transmit pain signals. Most likely, the pain of rheumatoid arthritis is caused by the irritation of other tissues in and around the affected joints. This irritation may be caused by chemical-messenger substances, such as prostaglandin E2, that
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