коррекция дефицита железа или назначение препаратов железа улучшает многие параметры умственной деятельности у детей, включая внимание, память, но не улучшает успеваемость в школе, тот же эффекти и при лечении жд анемии:
iron supplementation significantly improved
intelligence (standardized mean difference, 95% confidence interval) (SMD 0.46, 95%CI: 0.19, 0.73, P<0.001),
attention and concentration (SMD 0.44, 95%CI: 0.07, 0.81, P = 0.02) and
memory (SMD 0.44, 95%CI: 0.21, 0.67, P <0.001) of school-age children.
There was no significant effect of iron supplementation on school achievement of school-age children (SMD 0.06, 95%CI: -0.15, 0.26, P = 0.56).
In a subgroup analysis, iron-supplemented children who were anemic at baseline had had better outcomes of
intelligence (SMD 0.79, 95%CI: 0.41, 1.16, P = 0.001) and
memory (SMD 0.47, 95%CI: 0.13, 0.81; P = 0.006).
Iron supplementation has a significant positive effect on the intelligence, attention and concentration, and the memory of school-age children but there was no evidence on the effect of iron supplementation on their school achievement.
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Effects of iron supplementation on cognitive development in school-age children: Systematic review and meta-analysis
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