Pesticides & Child Brain Abnormalities: New Study
Here’s a summary of the provided text, focusing on the key findings and facts:
Key Findings:
Prenatal Chlorpyrifos Exposure & brain Growth: Exposure to the pesticide chlorpyrifos before birth is linked to widespread and long-lasting abnormalities in brain structure, function, and metabolism in children and teenagers.
Specific Impacts: These abnormalities include disturbances in brain tissue and metabolism, and poorer performance in measures of motor speed and motor programming.
Dose-Response Relationship: The study suggests that the level of exposure to chlorpyrifos during pregnancy is directly related to the severity of the brain disturbances observed. Confirmation of Previous Research: This study builds upon existing research linking chlorpyrifos to impaired cognitive function and brain development, but provides the first evidence of widespread molecular, cellular, and metabolic effects.
Study Details:
Participants: 270 children from a long-term study of African-American and Dominican mothers in New York City (cohort established 1998-2015).
Data Collection: Researchers analyzed prenatal questionnaires, chlorpyrifos levels measured at birth (from umbilical cord or maternal plasma), and MRI scans and behavioral data collected when the children were between 6 and 14 years old.
* Methods: MRI scans were used to assess brain structure and function, and behavioral data was used to assess motor skills.in essence, the study provides strong evidence that prenatal exposure to chlorpyrifos can have significant and lasting negative impacts on a child’s developing brain.