Why the obsession with Vitamin D?

So, in the dark and cold climes of an early Northern Spring, Archi has been assailed by questions of vitamin D. There are, it is claimed, near-miraculous things from Vitamin D sufficiency – less cancer, less heart disease, less rickets. Well, I’ll buy the last one, but the others? And does any child really need supplements, or just those in poverty or the middle classes? (For two reasons; the first for nutritional health, the second for social acceptability.)

Well, there are teams addressing this for neonates and people with epilepsy, but don’t hold back with your own opinions on this 21st century wondercule.

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  • Jon Brassey

    I'm fascinated by the vitamin d question. 

    There seems a large amount of data suggesting reduced levels of vitamin d are linked with various diseases.  However, there appears to be a lack of experimental data to support that supplementing reduces the incidence of disease.  Also, typically, trials are short-term and/or use low quantities of vitamin d (which don't really touch the blood levels of the 25-OH vitamin d).

    I quite like this review http://www.cfp.ca/content/53/5… and even the NLM are getting in on the 'act' http://www.nlm.nih.gov/medline