This book offers a comprehensive and detailed analysis of personality disorders, exploring their complexities and impact on mental health. It provides a clear definition and the evolution of the concept, highlighting its relevance to public health. The work examines the neurobiological, psychological, and genetic bases of these disorders, as well as the environmental factors influencing their manifestation. It also includes a detailed classification of Personality Disorders from Groups A, B, and C, addressing disorders such as Borderline, Narcissistic, and Antisocial, with an emphasis on assessment and diagnosis, including essential clinical tools.

Furthermore, the book explores the most effective theoretical models and therapeutic approaches, such as Cognitive Behavioral Therapy (CBT) and Dialectical Behavior Therapy (DBT), offering practical strategies for management and multidisciplinary support. Ethical and cultural considerations are analyzed, along with future perspectives in neuroscience and genetics, pointing to innovations in treatment. This book is an essential resource for psychologists, psychiatrists, students, and mental health professionals, providing an updated, scientific, and accessible resource on the topic.