Knee Arthritis
Arthritis is a degenerative disease that attacks the bones and damages the cartilage that makes the bones able to move easily without friction. The loss of cartilage results in the bones rubbing against each other, and this causes pain. Knee arthritis occurs when the cartilage in the knee joint is damaged, causing pain in the knee. This can range from mild to moderate to severe. There are different forms of knee arthritis. They include: