For a recent study, researchers identified the minimum healthy level of 25-hydroxyvitamin D in blood plasma to be 30 nanograms per milliliter

Taking vitamin D supplements during pregnancy may help to stem childhood obesity

Penn study shows women with infertility due to PCOS have a significantly decreased likelihood of successful pregnancy if they are vitamin D deficient

In the study, women who were given vitamin D3 and calcium supplements had 30 percent lower risk of cancer

Vitamin D deficiency is caused by insufficient dietary intake or sunlight exposure, and it is increasing worldwide

Though further clinical studies are needed to confirm the findings, the study adds to a growing body of evidence on the importance of maintaining adequate vitamin D levels

Research in C. elegans shows the popular supplement engages longevity genes to increase lifespan and prevent the accumulation of toxic proteins linked to many age-related diseases