What is arthritis?

What is arthritis?

Arthritis is a disease that affects your joints (areas where your bones meet and move). Arthritis usually involves inflammation or degeneration (breakdown) of your joints. These changes can cause pain when you use the joint.

Arthritis is most common in the following areas of the body:

• Feet.
• Hands.
• Hips.
• Knees.
• Lower back.