Vitamin D status in migraine patients: a case-control study.
Alireza ZandifarSamaneh Sadat MasjediMahboobeh BanihashemiFatemeh AsgariNavid ManouchehriHoma EbrahimiFaraidoon HaghdoostMohammad SaadatniaPublished in: BioMed research international (2014)
We did not find any association between migraine and vitamin D status; also, severity of headaches was not related to 25(OH)D level. Further studies with larger sample sizes are required to confirm our results.