Non-Migraine Headaches Linked to Vitamin D Deficiency
Researchers at the University Hospital of North Norway, Tromsø, Norway found that the incidence of non-migrainous headaches was significantly higher among people who have low serum vitamin D levels than those with normal levels.
Marie Kjaergaard, MD and colleagues conducted a study, which looked into the relationship between vitamin D levels and headaches, after studies previously reported a high prevalence of headache in people who lived in high latitudes. They pointed out that very few case reports have studied the effect of vitamin D on headache, and that intervention studies have not been done.
The prospective study involved more than 11,000 participants enrolled in the Tromsø Study which began in 1974. This epidemiologic study of chronic diseases and other health problems served as a resource for the surveillance of risk factors of disease, chronic pain and vitamin D status.
The investigators found that the incidence of non-migraine headaches was 20% higher in participants who had the lowest levels of serum vitamin D than in those with the highest levels, after considering other confounding factors such as smoking habits, alcohol consumption and physical exercise. However, they found no association between vitamin D levels and migraine type of headaches.
The study was recently published in the journal Headache.
Harrison, P. Low Vitamin D Linked to Headache. Medscape.