Often called "wear and tear" arthritis, osteoarthritis (OA) is the most common form of the disease. In OA, joint cartilageCLOSE Joint cartilage: tissue that covers the ends of the bones, providing cushion for a joint. breaks down over time, causing symptoms like joint pain and stiffness. Read on to learn more about the symptoms, causes, and diagnosis of OA.
Women age 50+
are more likely to
develop OA than
OA affects nearly 31 million adults
in the U.S. alone
OA is the most
common of all arthritis cases in