Benefits of vitamin D and other stories . . .

BMJ 2013; 347 doi: https://doi.org/10.1136/bmj.f5018 (Published 14 August 2013) Cite this as: BMJ 2013;347:f5018

National levels of vitamin D must have soared in recent weeks as Britons have enjoyed exposing themselves to unusual amounts of sunshine, but nobody seems able to agree on how much vitamin D is enough. Everyone, however, agrees that the vitamin is important for more things than just bone. For example, an English record-linkage study published in BMC Medicine (2013, doi:10.1186/1741-7015-11-171) found that patients with vitamin D deficiency may have an increased risk of developing immune mediated diseases. The researchers state: “After hospital admission for either vitamin D deficiency, osteomalacia or rickets, there were significantly elevated rates of Addison’s disease, ankylosing spondylitis, autoimmune haemolytic anaemia, chronic active hepatitis, coeliac disease, Crohn’s disease, diabetes mellitus, pemphigoid, pernicious anemia, primary biliary cirrhosis, rheumatoid arthritis, Sjögren’s syndrome, systemic lupus erythematosus, thyrotoxicosis, and significantly reduced risks for …

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