“…It first described as a childhood disorder that affects about 2-18% of school aged children ( Faraone, Sergeant, Gillberg, & Biederman, 2003 ; Polanczyk et al, 2007 ; Rowland, Lesesne, & Abramowitz, 2002 ). Although it was first believed as a child-aged disorder but evidence showed that it continue into adulthood ( Bakhshani, Babaei, & Raghibi, 2012 ; Kessler et al, 2006 ), and about 5% of adults may suffer from it ( American Psychiatric Association, 2000 ; Biederman & Faraone, 2005 ; Faraone, Biederman, & Mick, 2006 ; Kessler et al, 2006 ). ADHD characterized by inappropriate levels of inattention, hyperactivity and impulsivity ( American Psychiatric Association, 2000 ), that was initially known as hyperactive (hyperkinetic) disorder ( Curatolo, D'Agati, & Moavero, 2010 ).…”