Levels of lead and cadmium in hair and saliva of school children in Ceres district, South Africa
B Ogboko, D Fisher, R Swart
Abstract
The objective of this study was to investigate the presence of cadmium (Cd) and lead (Pb) in the hair and saliva of schoolchildren (n=265) in Ceres district, rural and agricultural Town. The role of other factors, such as the socio-economic status, and anthropometric data of the children were also investigated including levels of elements in water, common foods and cultivated vegetables. The results showed high mean levels of Pb in both hair (1.17 ±0.99μg/kg) and saliva (1.07 ±1.31μg/L), when compared with the reference mean (
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African Journal of Food, Agriculture, Nutrition and Development. ISSN: 1684-5358