An important lesson I have taken away from my spinal surgeon here in Hong Kong, which, I hasten to add none of my rheumatologists have ever have told me, is the importance of Vitamin D for ankylosing spondylitis. Particularly in my case as I am in the minority of sufferers who are gene- HLA-B27 *negative*. Dr. Yip who had his entire schooling in the UK explained how the latitude of