Medically reviewed by Soma Mandal, MD A vitamin D test is a blood test that measures the level of vitamin D (calciferol) in ...

Over the past few decades, the "normal" blood level of vitamin D (25-OH vitamin D) was based on the amount needed to keep PTH from becoming abnormally high. Again, PTH at high levels can cause ...

Deficiency of vitamin D has been linked to issues in bone health, but recent studies are revealing a more complex ...

Vitamin D affects how your immune system works, and plays a role in controlling certain types of inflammation, including the ...

Vitamin D deficiency was significantly associated with increased obstructive sleep apnea (OSA) severity among children, ...

Vitamin D deficiency in early life may contribute to biological processes that raise the risk of autoimmune conditions, ...

The body can naturally produce vitamin D when skin is exposed to sunlight, but this process declines significantly in winter. | Cell And Molecular Biology ...

Vitamin D is essential for our bodies, helping us absorb key minerals like calcium and magnesium that keep our bones and muscles healthy. We naturally get some vitamin D from sunlight, but in many ...

You might have heard that vitamin D can be crucial for bone health, and that taking supplements may be in order if you're not getting enough naturally from sunlight or from D-rich foods like eggs ...

Researchers have identified that children deficient in vitamin D experience more severe symptoms of obstructive sleep apnea ...