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Low vitamin D levels raise anaemia risk in children.

ISLAMABAD -- Vitamin D levels were consistently lower in children with low hemoglobin levels compared with their non-anemic counterparts, researchers found. The sharpest spike in anemia risk occurred with mild vitamin D deficiency, defined as vitamin D levels below 30 nano grams per millilitre (ng/ml), The Indian Express reported.

Children with levels below 30 ng/ml had nearly twice the anemia risk of those with normal vitamin D levels. Severe vitamin D deficiency is defined as vitamin D levels at or below 20 ng/ml. Both mild and severe deficiency requires treatment with supplements.

The investigators said several mechanisms could account for the link between vitamin D and anemia, including vitamin D's effects on red blood cell production in the bone marrow, as well as its ability to regulate immune inflammation, a known catalyst of anemia.

Investigators also looked at anemia and vitamin D by race, and an interesting difference emerged. Black children had higher rates of anemia compared with white children (14 per cent vs 2 per cent) and considerably lower vitamin D levels overall, but their anemia risk didn't rise until their vitamin D levels dropped far lower than those of white children.

The racial difference in vitamin D levels and anemia suggests that current therapeutic targets for preventing or treating these conditions may warrant a further look, the researchers said.
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Publication:Balochistan Times (Baluchistan Province, Pakistan)
Date:Oct 29, 2013
Words:223
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