Kids, Colds, and Vitamin D

Vitamin D deficiency is common in Mongolian children. This is partly because of long, cold winters, which limit exposure to the sun for many months of the year, the lack of food fortification, and the limited availability of supplements. Researchers in the United States have found that Mongolian children who drank Vitamin D-fortified milk experienced…

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Most Americans Okay in Vitamin D

More than 2/3 of the U.S. population had sufficient vitamin D, as defined by the 2010 Institute of Medicine's report (serum 25-hydroxyvitamin D [25OHD] between 50 and 125 nmol/L). About 25% were at risk of inadequacy (30-49 nmol/L). Interestingly, the National Center for Health Statistics found that many non-white groups have better skeletal status than…

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