2005
DOI: 10.1590/s1677-04202005000100007
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Abstract: Anthropogenic activities have being contributing to the spread of toxic chemicals into the environment, including several toxic metals and metalloids, increasing the levels of human exposure to many of them. Contaminated food is an important route of human exposure and may represent a serious threat to human health. This mini review covers the health effects caused by toxic metals, especially Cd, Hg, Pb and As, the most relevant toxic elements from a human health point of view.

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Cited by 89 publications
(40 citation statements)
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“…Toxic metals accumulate in the soil, plants and water communities, and disturb the biological equilibrium of ecosystems. The highest amounts of heavy metals enter the animal body through ingestion (Silva et al 2005). The body's absorption of selenium depends on the chemical composition of the food and on the interactions between Se and other elements.…”
Section: Discussionmentioning
confidence: 99%
“…Toxic metals accumulate in the soil, plants and water communities, and disturb the biological equilibrium of ecosystems. The highest amounts of heavy metals enter the animal body through ingestion (Silva et al 2005). The body's absorption of selenium depends on the chemical composition of the food and on the interactions between Se and other elements.…”
Section: Discussionmentioning
confidence: 99%
“…Rivers and lakes are exposed to atmospheric deposition of anthropogenicaly derived trace elements. This can create harmful effects on the environment and human health due to their toxicity and bioaccumulation in various environmental compartments [3,18]. Fortunately, the arsenic levels in the water bodies around Kisumu, including Lake Victoria, were within the maximum WHO safe limits.…”
Section: Discussionmentioning
confidence: 99%
“…Table 8 shows high positive correlations (≥0.500) between transition metals Fe-Ni, CuZn, Fe-Co, Ni-Co, Cr-Co, and Cu-Fe. These correlation trends reveal that transition metals may form stable covalent complexes simultaneously with large molecules such as proteins, enzymes, and hormones according to their similar chemical characteristics, including oxidation state [53]. On the other side the toxic metals Cd, Pb, and Hg show weak correlation with other metals, indicating that the presence or absence of one metal does not affect the others.…”
Section: Elemental Correlationsmentioning
confidence: 96%