Study: U.S. kids get little vitamin D

CHICAGO A vitamin D deficiency could put kids at risk for a variety of health problems including weak bones.

Dr. Jonathan Mansbach calls the statistics for black and Hispanic children "astounding numbers" that should serve as a call to action. He's a researcher at Harvard Medical School and Children's Hospital in Boston.

Vitamin D deficiency in children, teens and adults is a concern because of recent studies suggesting the vitamin might help prevent serious diseases, including infections, diabetes and even some cancers.

Exactly how much vitamin D children and adults should get, and defining when they are deficient, is still under debate.

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