Iron levels in brain tissue rise during development and are correlated with cognitive abilities, according to research in children and young adults recently published in JNeurosci. Future work could lead to iron supplementation as an intervention for atypical cognitive development.
Brain cells stay healthy in part by storing iron. It is most concentrated in the basal ganglia, a brain region that filters incoming information from moment to moment and suggests the best action to take. Low iron in the basal ganglia during early life is linked to cognitive impairment, yet we don’t know how iron levels change during typical development.
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