Vitamin D deficiency impacts more than 1 billion people worldwide. Vitamin D deficiency can negatively affect a child’s growth, immune response, mental health, and more, which is why proper treatment ...

Doctors use the 25-hydroxy vitamin D test to monitor your vitamin D levels. Low levels can mean you need to spend more time outdoors or adjust your diet. But it can also occur with certain medical ...

D, Hunter of the Dead is one of the many NPCs you'll encounter that has a side quest to complete in Elden Ring. For this part of our Elden Ring Wiki guide, you'll find details of where to find him, ...

Planning to eat right for healthier bones? Calcium is probably the nutrient you think of first. But vitamin D is just as important for keeping bones strong and preventing osteoporosis, a disease that ...

Lauren Oster is a contributing writer based in New York City. She covers health and wellness, science and sustainability, lifestyle and culture, and travel. Her work appears in many publications ...

Note: The U.S. Food and Drug Administration (FDA) does not approve supplements for safety or effectiveness. Talk to a healthcare professional about whether a supplement is the right fit for your ...

For a while vitamin D was looking like a bona fide health elixir. It was recognized a century ago as the cure for rickets, a childhood disease that causes weak and deformed bones. Then, in the early ...

Vitamin D is essential for many bodily processes, particularly the development of healthy bones. A 25-hydroxy vitamin D test can reveal whether the vitamin D levels in a person’s blood are within a ...