Low Vitamin D levels linked to poorer learning in MS
A new study shows that serum vitamin D deficiency is associated with poor learning performance among patients with multiple sclerosis (MS). The research was presented at the Consortium of Multiple Sclerosis Centers 24th Annual Conference and the Third Joint Meeting of Americas Committee for Treatment and Research in Multiple Sclerosis.
The researchers enrolled 23 patients with relapsing-remitting MS and secondary progressive MS. After laboratory work to determine serum vitamin D levels, patients underwent a comprehensive neuropsychological evaluation to assess emotional functioning, memory, executive functioning, processing speed, attention, and visuospatial abilities.
Low vitamin D levels and poor performance were correlated on a verbal learning test (r = .49; P < .05). The effect was stronger in single-trial learning (r = .65; P < .001). No correlation was observed during later learning trials.
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