What is osteoarthritis?   Osteoarthritis (OA) is a degenerative condition that affects the entire joint, including bone, cartilage, ligaments, and muscles. It is believed to be the consequence of a joint working extra hard to repair itself, and occurs most frequently in the hips, finger joints, knees, and large toe. OA can develop at any age, but it tends to be more prevalent in those aged over 40 and people […]