Environmental Factors in the Etiology of Attention Deficit Hyperactivity Disorder

Abstract

Attention deficit hyperactivity disorder is a heterogeneous neurodevelopmental disorder characterized by inattention, hyperactivity and impulsivity in which genetic, socia land physical factors are influentia land despite the resarches in this field, currently etiology is not fully understood. The aim of this review is to evaluate research on role of environmental factors in the etiology of attention deficit hyperactivity disorder, which is attracting more and more attention all over the world..

Keywords

• Attention deficit hyperactivity disorder
• environmental exposure
• etiology