Abstract
Aims: To study associations between drinking water mineral composition and levels of accumulation of metals in a human body. Methods: Studies were conducted in several geochemical regions. Hair samples were taken from healthy 10-11 years old boys aged. Concentrations of toxic metals were determined in hair. Altogether, concentrations of 29 chemical elements in hair and drinking water were determined. Atomic emission spectrometry with inductive-argon plasma methods were used. Results and conclusions: The levels of calcium and magnesium in the hair in the study groups significantly varied between the samples and correlated with hardness of drinking water. Significant correlations were observed between the concentrations of calcium and magnesium in children's hair and in drinking water. An inverse association between accumulated copper, nickel, iron and strontium in hair in children and concentrations of these metals in drinking water was found. The patterns of metal accumulation varied across the geochemical regions and by the quality of drinking water.
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