Osteoarthritis

Osteoarthritis (OA) is the most common form of arthritis. It can affect any joint but is most common in the knees, hip, spine, and hands. OA occurs when the cartilage — the tough, elastic tissue that cushions the joint — breaks down and wears away.

BASICS of OA

Q&A About OA

Answers to common questions that readers have asked us, written by our team of medical experts.

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