Novel frontiers in the field of Attention Deficit Hyperactivity Disorder are highlighted in this book. It is a common disorder among children and adults. Hence, researchers endeavor to understand the basis of ADHD and associated factors on both basic and applied level. This book aims at presenting a collection of numerous research works in the field of ADHD. It covers a variety of topics as varied as postural control, endocrine dysfunction, juvenile justice, and academic outcomes. This book will provide a rich account for experienced researchers, students interested in studying about ADHD for the first time and practitioners seeking new insights and latest developments in the field.