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 ...

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 ...

A recent death in the UK is raising questions about whether extremely high doses of vitamin D can be dangerous. Here’s what the experts say. By some estimates, nearly a quarter of Americans have ...

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 ...

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 ...

Nearly a quarter of Americans are estimated to have a deficiency in vitamin D. Are you one of them? A 2022 study of National Health and Nutrition Examination Surveys (NHANES) data estimated that about ...

Vitamin D is vital for numerous bodily functions. While sunlight is the primary source of vitamin D, record high temperatures this summer may dissuade people from spending time in the sun. An expert ...