What is osteoarthritis and what does it do?

Osteoarthritis: Osteoarthritis can be simply defined as the degeneration of joints as a result of wear and tear. It happens to all us as we get older, however it may be faster in some people following certain accidents, repeated injuries, menopause, illnesses, certain activities, or unknown reasons. Many times it causes minimal or no symptoms however the usual symptom is pain and resulting decreased function.

IA: Oa is inflammation of the joint. It cause pain and intermittent swelling. Deformity occurs in more advanced stages.