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Overview


The word "arthritis" is derived from two Greek words that together mean "inflammation of the joint." A joint is where two bones meet. A healthy joint is cushioned by cartilage (a coating on the end of each bone) and by synovial fluid (a fluid in the space between the two bones). Arthritis occurs in joints where cartilage has become damaged.

Over time, stiffness, pain, inflammation, and loss of movement develop in affected joints. People with arthritis may have difficulty with v...Read the full article