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A recent study published in JAMA Network Open suggests that prenatal exposure to fluoride, commonly found in drinking water, may pose risks to children’s neurobehavioral development. Fluoride is added to U.S. water systems to prevent tooth decay, but research indicates that higher levels of exposure during pregnancy could lead to neurobehavioral issues in children.
The study analyzed 229 mother-child pairs from Los Angeles, focusing on Hispanic women of low socioeconomic status. Urine samples were collected from the mothers during pregnancy, and children’s neurobehavioral outcomes were assessed at age three using the Preschool Child Behavior Checklist.
The findings revealed that higher maternal urinary fluoride levels were associated with an increased likelihood of children exhibiting neurobehavioral problems, especially internalizing symptoms like anxiety and emotional reactivity. These results align with similar studies in Mexico and Canada, emphasizing the need for further research on the potential risks of fluoride exposure during pregnancy.
Lead researcher Ashley Malin highlighted the importance of these findings and called for more comprehensive studies to address this concerning issue. The study, titled “Maternal Urinary Fluoride and Child Neurobehavior at Age 36 Months,” underscores the need for greater awareness of fluoride intake during pregnancy to safeguard children’s neurodevelopment.
