INTRODUCTION
At low concentrations, copper plays an important
role in carbohydrate and lipid metabolism [1–3].
Above trace levels, however, copper has many biological
effects both as an essential and a toxic element.
For all trace elements that are considered to
be essential, including copper, there exists a fairly
narrow “concentration window” between the essential
and the toxic levels. The metals can accumulate
in bone, hair and in some soft tissues, such as liver,
kidney, brain or lungs [4, 5]
INTRODUCTIONAt low concentrations, copper plays an importantrole in carbohydrate and lipid metabolism [1–3].Above trace levels, however, copper has many biologicaleffects both as an essential and a toxic element.For all trace elements that are considered tobe essential, including copper, there exists a fairlynarrow “concentration window” between the essentialand the toxic levels. The metals can accumulatein bone, hair and in some soft tissues, such as liver,kidney, brain or lungs [4, 5]
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