Ankylosing Spondylitis Support Group
Ankylosing Spondylitis (AS) is a chronic form of arthritis--it is an inflammatory disease that causes joints, cartilage or other fibrous tissue (such as ligaments and tendons) to turn into bone. Ankylosing spondylitis is part of the group of rheumatic diseases. The disease is characterized by progressive stiffness, tenderness, and pain in joints. Pain can be episodic and...
AS is the main disease in a group of diseases known as Spondylitis; which comprise six out of all 100 rheumatic illnesses in the world. AS is actually more prevalent than multiple sclerosis and cystic fibrosis combined (SAA) Medical experts believe the onset of AS is associated with the Human Leucocyte Antigen B27 gene (HLA-B27), though testing positive for the gene does not imply a positive diagnosis for AS. AS is considered a hereditary condition and triggers like a bacterial infection or other genes are also thought to initiate the disease.
http://www.eraseas.com/research.htm