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  • Title: Heavy metal concentrations in the breast milk of Saudi women.
    Author: Al-Saleh I, Shinwari N, Mashhour A.
    Journal: Biol Trace Elem Res; 2003; 96(1-3):21-37. PubMed ID: 14716084.
    Abstract:
    Lead, cadmium, and mercury concentrations were determined in breast milk of Saudi lactating mothers from Riyadh and Al-Ehssa regions in Saudi Arabia who were not occupationally exposed. The mean levels for cadmium, lead, and mercury were 1.732 microg/L, 31.671 microg/L, and 3.100 microg/L, respectively. In contrast to mercury, mothers living in the Al-Ehssa region had significantly higher cadmium and lead concentrations in their breast milk than those in the Riyadh region. The estimated weekly intakes of cadmium, lead, and mercury of breast-fed infants in this study were in some cases higher than the Provisional Tolerance Weekly Intake (PTWI) recommended by FAO/WHO, which pose a threat to their health. This necessitates the urgent need to undertake a comprehensive study to determine the sources of exposure to these heavy metals. Breast-feeding is of great beneficial value for the infant's development; therefore, efforts should be made to prevent its contamination with environmental pollutants.
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