Vitamin D deficiency increases risk of chronic headache

The Kuopio Ischaemic Heart Disease Risk Factor Study, KIHD, analysed the serum vitamin D levels and occurrence of headache in approximately 2,600 men aged between 42 and 60 years in 1984-1989. In 68% of these men, the serum vitamin D level was below 50 nmol/l, which is generally considered the threshold for vitamin D deficiency....DEVAMI

Source:

• https://www.sciencedaily.com/releases/2017/01/170104103543.htm

• https://www.nature.com/articles/srep39697