Osteoarthritis is a condition that affects your joints, and makes them stiff and painful. It's sometimes called 'wear and tear’ arthritis. Osteoarthritis most often affects the joints in your body that carry weight. Osteoarthritis causes the cartilage on the end of your bones to get rougher and thinner. A reduction in your range of movement in the joint. This means you won’t be able to move your joint into the positions you did before, or move them as far.

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