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Osteoarthritis is a disease affecting the joints and affects almost everybody as they get older. Around 8 out of 10 people over the age of 50 are affected.
The process starts with cartilage becoming thin and uneven and then over time, perhaps wearing out completely. At the same time, the joint capsule becomes thicker and more synovial (lubricating) fluid is manufactured which makes the joint swell. In addition to cartilage degeneration, bony spurs grow causing inflammation in the surrounding tissues.
Osteoarthritis can involve all joints of the body, but is most commonly found in the fingers, knees, hips and spine.
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Joint stiffness and pain. This improves with activity, but is often worse again after a period of rest.
