10 January 2013
Non-migraine headache is associated with vitamin D deficiency, according to researchers in Norway.
Marie Kjaergaard, MD, and colleagues of the University Hospital of North Norway found that incidence of headache was 20% higher in participants with lower vitamin D blood levels than in those with the highest levels.
“High prevalence of headache has been associated with high latitude, thus suggesting a relation with vitamin D,” The authors explain. Before the study, no research had looked at a possible link between vitamin D status and headache.
The researchers performed a cross-sectional study based on questionnaires from 11,614 participants. They found that non-migraine headache was associated with low vitamin D blood levels as compared to participants with the highest serum vitamin D. The authors found no association between vitamin D and migraine headache. They conclude,
“Although adjustments were done for possible confounders, this finding may still reflect lifestyle rather than causality, and further studies are needed to investigate this.”
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