When your body lacks vitamin D, it can disrupt several important functions, especially the bones, muscles and immune system.

The risk for respiratory tract infection hospitalization was significantly heightened among U.K. adults with severe vitamin D deficiency vs. sufficient vitamin D, according to results published in The ...

Adding everyday foods like fish, eggs, fortified milk, and mushrooms can naturally improve Vitamin D levels and overall ...

Simple dietary changes and smart food choices can help fight Vitamin D deficiency and support stronger bones and immunity.

Know how poor sleep and vitamin D deficiency in children can impact brain growth, immunity, focus, behavior, and long-term ...

Researchers have found a potential link between vitamin D deficiency and a higher rate of hospitalization for respiratory ...

Do you often feel drained, sleepy, or unusually weak by afternoon, even after a full night’s sleep? You’re not alone.

A Verywell Health editor shares her experience with vitamin D deficiency and the impact that vitamin D supplements had on her ...

For decades afterward, vitamin D was viewed narrowly as a “bone vitamin” in spite of the success of sanatoriums. Once rickets was largely eliminated through the supplementation of food, the medical ...

An orthopaedic surgeon has warned people that some things you do can weaken bones and make them more likely to fracture ...

Plus, experts explain what the findings could mean for you.

Contributor content. Here are some mechanisms linking vitamin D to hair, as well as warning signs to look out for, that can ...