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Here’s some new research that will come as a surprise to most neurologists: Moderate iron deficiency- without overt anemia- can impair learning and memory.
Importantly, the study found that iron supplementation can reverse the cognitive dysfunction.
The study was published in the March 2007 issue American Journal of Clinical Nutrition.
Women who are pregnant or have heavy bleeding during their periods are felt to be most at risk for iron deficiency.
The study’s authors conclude:
Iron status is a significant factor in cognitive performance in women of reproductive age
To view the abstract, click here.
While earlier research has shown that iron deficiency can have a significant effect on the developing child’s brain power (e.g., poor school performance) the recent research breaks new ground in showing the susceptibility of adult brains to even mild to moderate iron deficiency without obvious anemia.
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There’s a website that may be of interest regarding iron deficiency anemia in women. It’s a serious health issue that often goes undiagnosed and untreated. Many women believe it’s normal to feel tired, weak or irritable, but 3 million women of reproductive age in the US have iron deficiency anemia, and most don’t even know it. Take a look at http://www.anemiainwomen.com, sponsored by pharmaceutical company, American Regent, Inc. There’s an anemia questionnaire and a list of iron rich foods that may be helpful to women.
That’s interesting.
I have not heard of iron effecting brain function.