A bone spur (osteophyte) in the knee is mainly caused by wear and tear of the joint, leading to pain and stiffness. Learn more about the causes and treatment.

I was diagnosed with knee osteoarthritis. When is a knee replacement appropriate? ANSWER: Osteoarthritis is an extremely common condition affecting over 500 million people worldwide. The knee is the ...

Doctors are testing new ways to spur cartilage to regrow in damaged knees, from implanted “cartilage plugs” to injections of bone-marrow stem cells. The need is huge. Knees are the joint most ...