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Ciccarone Center Research

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Cerebrovascular Disease / Stroke / Cognitive Function

25-Hydroxyvitamin D deficiency is associated with fatal stroke among whites but not blacks: The NHANES-III linked mortality files.
By: Michos ED, Reis JP, Post WS, Lutsey PL, Gottesman RF, Mosley TH, Sharrett AR, Melamed ML.

Deficient 25-hydroxyvitamin D (25[OH]D) levels are associated with cardiovascular disease (CVD) events and mortality. 25(OH)D deficiency and stroke are more prevalent in blacks. We examined whether low 25(OH)D contributes to the excess risk of fatal stroke in blacks compared with whites. Vitamin D deficiency was associated with an increased risk of stroke death in whites but not in blacks. Although blacks had a higher rate of fatal stroke compared with whites, the low 25(OH)D levels in blacks were unrelated to stroke incidence. Therefore 25(OH)D levels did not explain this excess risk.

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