How A Vitamin D Test Misdiagnosed African-Americans - capradio.org

How A Vitamin D Test Misdiagnosed African-Americans - capradio.org

By a standard test most African-Americans have low levels of vitamin D. But most African-Americans also have strong bones. It turns out that the problem is with the test, which was looking for a form of D more common in Caucasians. The variation is a result of human evolution.