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flag Maternal exposure to air pollution during pregnancy is linked to slower brain development in newborns, a study finds.

flag A new study links maternal exposure to air pollution, particularly fine particulate matter (PM2.5), during pregnancy to slower brain maturation in newborns, specifically reduced myelination in the first month of life. flag Analyzing MRI scans of 132 infants in Barcelona, researchers found that higher PM2.5 levels—especially in the second and third trimesters—were associated with delayed nerve fiber coating, a key process for brain function. flag The study, published in Environment International, does not prove causation but adds to evidence that air quality affects fetal brain development. flag Experts stress the need for stronger air quality standards and further research, particularly in urban areas where pollution is higher.

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