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ScienceDaily (Apr. 8, 2009) - Deficiency in vitamin D has been widely regarded as contributing to autoimmune disease, but a review appearing in Autoimmunity Reviews explains that low levels of vitamin D in patients with autoimmune disease may be a result rather than a cause of disease and that supplementing with vitamin D may actually exacerbate autoimmune disease.

Albert et al. Vitamin D: The alternative hypothesis. Autoimmunity Reviews, 2009 doi:10.1016/j.autrev.2009.02.011 

itamin D and autoimmunity: new aetiological and therapeutic considerations. Arnson Y, Amital H, Shoenfeld Y. Ann Rheum Dis. 2007 Sep;66(9):1137-42. Epub 2007 Jun 8. Review. PMID: 17557889 doi:10.1136/ard.2007.069831

Floyd Chilton and colleagues wanted to examine whether theses fatty acids might have other effects, and developed a dietary intervention strategy in which 27 healthy humans were fed a controlled diet mimicking the w6/w3 ratios of early humans over 5 weeks. They then looked at the gene levels of immune signals and cytokines (protein immune messengers), that impact autoimmunity and allergy in blood cells and found that many key signaling genes that promote inflammation were markedly reduced compared to a normal diet, including a signaling gene for a protein called PI3K, a critical early step in autoimmune and allergic inflammation responses. This study demonstrates, for the first time in humans, that large changes in gene expression are likely an important mechanism by which these omega fatty acids exert their potent clinical effects

Vitamin D and autoimmune rheumatic diseases. Cutolo M. Rheumatology (Oxford). 2009 Mar;48(3):210-2. Epub 2008 Oct 17. PMID: 18930963 doi:10.1093/rheumatology/ken394

If wheat is so bad, what about all the other grains? First of all, I demonize wheat because of its top-of-the-list role in triggering: --Appetite--Wheat increases hunger dramatically --Insulin --Blood sugar--Wheat is worse than table sugar in triggering a rapid, large rise in blood sugar --Triglycerides --Small LDL particles--the number one cause for heart disease in the U.S. --Reduced HDL --Diabetes --Autoimmune diseases--Most notably celiac disease and thyroiditis. Most other "healthy, whole grains" aren't quite as bad. It's a matter of degree.

Hypovitaminosis D among rheumatology outpatients in clinical practice.\nMouyis M, Ostor AJ, Crisp AJ, Ginawi A, Halsall DJ, Shenker N, Poole KE.\nRheumatology (Oxford). 2008 Sep;47(9):1348-51. Epub 2008 May 22.\nPMID: 18499714 \ndoi:10.1093/rheumatology/ken203

Review: vitamin D, immunity and lupus. Cutolo M, Otsa K. Lupus. 2008;17(1):6-10. Review. PMID: 18089676 DOI: 10.1177/0961203307085879

Clinical aspects of vitamin D in the management of rheumatoid arthritis.\nLeventis P, Patel S.\nRheumatology (Oxford). 2008 Nov;47(11):1617-21. Epub 2008 Aug 5. Review.\nPMID: 18682414 \ndoi:10.1093/rheumatology/ken296 \n

Not enough vitamin D: health consequences for Canadians.\nSchwalfenberg G.\nCan Fam Physician. 2007 May;53(5):841-54. Review.\nPMID: 17872747 \n