The objective of this study, stated as Previous Notation, is to demonstrate that Attention Deficit Hyperactivity Disorder Pathology presents a differentiated condition in carriers where a significant percentage, close to 60%, present a higher level of zinc elimination by kidneys. In this study, a direct relation of Zinc Mettalicum pathogenetic symptoms, this disturbance and the elimination of this element which participates in neurotransmission process were identified, and the relation with

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... ents from regular diet, which can act as zinc chelating agents would be involved in the evolution of this disturbance, justifying the issue of individual susceptibility, essential in homeopathic investigation