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Chlorpyrifos Linked to Lasting Brain Changes in Children

9/28/2025

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Summary

Story summary

Prenatal exposure to the insecticide chlorpyrifos is linked to lasting brain changes in children.
The study found associations with poorer fine motor control.
The cohort included 727 pregnant women from northern Manhattan from 1998 through 2006.
Imaging showed thicker cortex, reduced white matter, and lower blood flow with higher exposure.

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Story summary

Prenatal exposure to the insecticide chlorpyrifos is linked to lasting brain changes in children.
The study found associations with poorer fine motor control.
The cohort included 727 pregnant women from northern Manhattan from 1998 through 2006.
Imaging showed thicker cortex, reduced white matter, and lower blood flow with higher exposure.