Blacks more likely to die from cancer because of vitamin D deficiency, study finally admits

Community-dwelling blacks have lower levels of total 25-hydroxyvitamin D and vitamin D binding protein compared with whites, but similar estimated concentrations of bioavailable 25-hydroxyvitamin D, according to a US cohort study. To avoid overestimating vitamin D deficiency in blacks, methods other than total 25-hydroxyvitamin D levels may therefore be needed, the researchers write in the November 21 issue of the New England Journal of Medicine.

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