by John Cannell MD
'Dr. Anne Looker and colleagues at the Centers for Disease Control (CDC) recently made vitamin D legend, Professor Hector DeLuca of University of Wisconsin, and certain folks at big pharma very happy with her widely-reported analysis of the vitamin D status of Americans. Using definitions of deficiency straight from the November 2010 Food and Nutrition Board (FNB) Vitamin D Report - definitions that no vitamin D scientist I know agrees with, except perhaps Professor DeLuca - Dr. Looker reassured Americans their vitamin D levels were sufficient.
Instead of a lower limit of 40, 30, or even 20 ng/ml, Dr. Looker and her CDC colleagues actually said any American with vitamin D levels below 12 ng/ml were "at risk of vitamin D deficiency." That's right, she wouldn't say "deficient" for a person less than 12 ng/ml, all she said is they are "at risk" of being deficient! Why?'
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