- The study investigates the impact of toxic metals (lead, cadmium, arsenic) on pregnant women and newborns in Sabzevar, highlighting their potential effects on cognitive development and central nervous system issues.
- Blood samples from 90 mothers were analyzed, revealing significant percentages of maternal and cord blood exceeding CDC guidelines for toxic metal levels, particularly lead, cadmium, and arsenic.
- The research indicates a correlation between the levels of these metals and factors like the mother's living area and age; it also finds that many pregnant women in rural areas have selenium (Se) levels below recommended levels, suggesting a need for improved dietary sources of selenium.