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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 deficiency is very common in the UK with an estimated 60 â 70 % of the population being insufficient. . â¢ High risk populations (see table 1) without symptoms should not have Vitamin D levels measured, but should be offered lifestyle advice in order to avoid vitamin D deficiency.