Osteoarthritis, commonly known as wear and tear arthritis, is the most common type of arthritis. It is associated with a breakdown of cartilage in joints and can occur in almost any joint in the body.
Ankylosing spondylitis (AS) is a rare type of arthritis that causes pain and stiffness in your spine. This lifelong condition, also known as Bechterew disease, usually starts in your lower back. It can spread up to your neck or damage...