Vitamin D Deficiency Might Be Overdiagnosed in Blacks, Study Suggests

When looking at blood levels in a different way, researchers found they may be adequate after all

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Fatty fish such as mackerel and salmon are the main sources of natural vitamin D. But certain foods -- including milk, orange juice and breakfast cereals -- are fortified with the vitamin.

More information

The U.S. National Institutes of Health has more on vitamin D and health.

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