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The Role of Some Metal Ions in the Pathogenesis of Attention Deficit Hyperactivity Disorder


Authors: A. Viktorínová;  Z. Ďuračková
Authors‘ workplace: Ústav lekárskej chémie, biochémie a klinickej biochémie LF UK, Bratislava
Published in: Čes. a slov. Psychiat., 103, 2007, No. 5, pp. 240-245.
Category: Comprehensive Reports

Overview

Attention Deficit Hyperactivity Disorder (ADHD) is highly prevalent neurobehavioral disorder with genetic, environmental and biologic etiologies that persist to adolescence and adulthood. Major etiologic contributors include adverse responses to food additives, sensitivities to environmental chemicals, molds and fungi and also exposure to the neurodevelopmental toxins such as heavy metals and the other toxic pollutants. Free radicals play an important role in the pathogenesis of many pediatric diseases, including also ADHD. Several studies have shown that metals like copper, iron, cadmium, chromium, mercury, lead participate in the produce of free radicals resulting in DNA damage, lipid peroxidation, depletion of protein sulphydryls and the other effects. It is also known that some essential elements such as zinc and selenium possess the ability to act as antioxidants and reduce oxidative stress.

Key words:
Attention Deficit Hyperactivity Disorder, heavy metals, free radicals, oxidative stress.


Labels
Addictology Paediatric psychiatry Psychiatry
Topics Journals
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