Ankylosing Spondylitis (AS)
There is no specific cause of Ankylosing Spondylitis (AS) and genetic factors seem to play a major role. Some people who have a gene called HLA-B27 may pose a risk of developing AS.1
- Ankylosing spondylitis. Available from https://www.mayoclinic.org/diseases-conditions/ankylosing-spondylitis/symptoms-causes/syc-20354808. Accessed on 17 December 2019.