Low vitamin D can lead to fatigue, bone and muscle pain, frequent illnesses, mood changes, hair loss, and slow wound healing.

Vitamin D levels can be measured with a blood test. This test can indicate whether you have adequate levels, are at risk of a vitamin D deficiency, or have levels that are too high. Levels that are ...

It's Wellness Wednesday, and this week’s focus is on vitamin D and its role in overall health. Many people assume they’re getting enough during the summer months, but that’s not always the case. We ...

Experts haven’t agreed on a number that defines a low vitamin D level. For most healthy people, the Office of Dietary Supplements states that a vitamin D serum (blood) level below 20 nanograms per ...

Pathologists are frustrated with the inappropriate ordering because “we don’t see the patient; we see the test that was ...

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 ...

The days are shorter, you’re hibernating inside — and there’s a good chance you’re not getting enough vitamin D. About 40% of Americans aren’t. But in case you’re waiting for a sign from your body to ...

Dietitians explain natural ways to meet your daily vitamin D needs without supplements. Safe sun exposure remains the most ...

Maggie O’Neill is a health writer and reporter based in New York who specializes in covering medical research and emerging wellness trends, with a focus on cancer and addiction. Prior to her time at ...