Psoriatic Arthritis Health Center

After a frustrating search for a diagnosis, Don Markham put some weight behind his treatment for ankylosing spondylitis. He's a big believer that working out can help with the physical pain and mental stress of this arthritis that mainly affects the spine.

Several years and 35 specialists later, Sal Marx finally found a name for the pain in her spine -- ankylosing spondylitis. It's a chronic form of arthritis that many have never heard of. See how she channels her experience into her paintings.