This book elucidates the concepts and innovative models around prospective developments with respect to psychology and behavioral health. It will provide deep insights about the various important subjects related to this area. Behavioral health refers to the mental wellbeing of a person. It concerns itself with the prevention and cure of diseases like depression, anxiety, ADHD, etc. The aim of this book is to provide students with adequate information regarding the psychological and behavioral disorders. Such selected concepts that redefine this field have been presented in it. Coherent flow of topics, student-friendly language and extensive use of examples make this textbook an invaluable source of knowledge.