Overview

• Higher fluoride levels in pregnant women linked to increased neurobehavioral problems in children at age 3.
• Study involved 229 mother-child pairs, predominantly from low-income Hispanic communities in Los Angeles.
• Researchers used spot urine samples, which have limitations compared to 24-hour tests.
• Experts stress that the findings show correlation, not causation, and should not alter current clinical advice.
• Previous large-scale studies found no link between fluoride in water and child brain development.