logic of CRT says anyone who doesn't promote CRT is privileged.

Does the High Prevalence of Vitamin D Deficiency in African Americans Contribute to Health Disparities?(PDF)

Abstract: "African Americans have higher incidence of, and mortality from, many health-related problems than European Americans. They also have a 15 to 20-fold higher prevalence of severe vitamin D deficiency. Here we summarize evidence that: (i) this health disparity is partly due to insufficient vitamin D production, caused by melanin in the skin blocking the UVB solar radiation necessary for its synthesis;..."

Chart of Vitamin D Levels by Race & Geography