Development
Does folic acid after the first trimester help kids’ brains later?
Open access · cc by · source: Europe PMC
At age 11, children whose mothers continued 400 μg/day folic acid from week 14 scored higher on processing-speed tests and showed stronger MEG language-related Beta/High Gamma responses.
Key findings
FA arm did better on symbol search (+2.9) and cancellation (+11.3); verbal comprehension gain was significant in girls; MEG Beta and High Gamma power increased, consistent with more efficient semantic processing.
Methodology
They followed FASSTT trial offspring in Northern Ireland with WISC cognitive testing and MEG during a language task, comparing continued FA vs placebo arms.
Limitations
Only 68/119 pairs were assessed; results may not generalize beyond this trial cohort or prove lifelong academic benefit.
How this study connects
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