A recent study published by the journal Scientific Reports found that vitamin D levels below 16 ng/ml were associated with frequent headaches among middle aged men.
A total of 2,601 men between the ages of 42-60 years from the Kuopio Ischaemic Heart Disease Risk Factor Study (KIHD) from eastern Finland were included in the study. The participants were divided into quartiles based off their vitamin D status:
The participants filled out a questionnaire regarding the occurrence of frequent headaches. Those were considered to have frequent headaches if they developed a headache on a daily or weekly basis.
Here is what the researchers found:
The researchers concluded,
“In this cross-sectional population-based cohort study among middle-aged men from eastern Finland, low serum 25(OH)D concentration was associated with a higher risk of frequent headache.”