NASS is the only UK charity dedicated to the needs of people with axial spondyloarthritis (axial SpA), which includes ankylosing spondylitis (AS). Axial SpA (AS) is a form of inflammatory arthritis causing progressive pain, stiffness and can lead to spinal fusion. NASS works hard to improve the lives and futures of people living with axial SpA (AS). We provide quality care, support and information. We also raise awareness and campaign with decision makers to improve standards of care for all people with axial SpA (AS).