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Kids and Vitamin D Deficiency. ââââââRosemont, IL, October 17, 2012 â A startling increase in the frequency of severe vitamin D deficiency is being reported in the U.S. and other countries. This severe deficiency can have a devastating impact on a childâs bone strength, the United States Bone and Joint Initiative (USBJI) says.
Vitamin D Toxicity in Children: A Rare But Preventable Problem. Research over the last decade has shown that vitamin D has wide-ranging, beneficial effects, from improving bone health to reducing cardiovascular disease. But too much can also be toxic, especially for children. Although vitamin D toxicity is very rare, intoxication still happens in children, said Dr. Maria Vogiatzi, an associate professor of clinical pediatrics at Weill Cornell Medical College. Many children receive high doses of vitamin D supplementation, either over the counter or by prescription.