Analyzing data from federal health surveys, researchers in Monday's Archives of Internal Medicine report that three out of four Americans have "insufficient" levels of vitamin D, up from about one out of two 20 years ago. Insufficient levels were nearly universal among African Americans and Hispanics. Taking supplements is one way of increasing vitamin D levels, as is getting 10 minutes of sunlight on exposed arms and legs two to three times a week.
Bonnie - suffice it to say that the evidence is now overwhelming that there is a vitamin D deficiency epidemic.
Wednesday, March 25, 2009
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