“Vitamin D deficiency is very common and ongoing research ... showed 14% lower circulating concentrations of vitamin D (25-hydroxyvitamin D, a form of vitamin D) than those not diagnosed with ...

A review of the various factors that can cause vitamin D deficiency are found in Table 1 (Wolpowitz & Gilchrest, 2006). Table 1 demonstrates how easy it is to become deficient in this vitamin.

Vitamin D deficiency is a common occurrence in people ... test to understand whether one is deficient in vitamin D is the ...

The frequent finding of vitamin D deficiency in the populations of affluent Western countries is probably one of the reasons for the reported high incidence of autoimmune disorders, particularly ...