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Deficiency – It’s More Common Than We Think
Vitamin D deficiency is more common than previously believed. The Centers for Disease Control and Prevention reported that the percentage of American adults with sufficient vitamin D levels (defined by 25(OH) D of at least 75 nmol/L) declined significantly between 1994 – 2001. Between 1988-1994, 60% of Caucasian Americans has sufficient vitamin D levels, this dropped to approximately 30% in 2001-2004 and from approximately 10% to 5% in African Americans during this same time (Kennel KA, 2010). This means that from 2001-2004, an astounding 70% of Caucasian Americans and 90-95% of African Americans were estimated to have insufficient vitamin D levels.