Gaucher disease is a complex, inherited condition that affects multiple systems of the body, creating both physical and emotional challenges for individuals and their families. As we progress in our understanding of genetic disorders, it becomes clear that managing such conditions requires more than just medical treatment. Psychological support plays a vital role in helping patients navigate the emotional and mental health challenges that accompany chronic genetic diseases like Gaucher. This book, Psychological Support by Cognitive Behavioral Therapy for Gaucher Disease, is designed to provide a comprehensive guide on how Cognitive Behavioral Therapy (CBT) can be employed as an effective tool for those affected by Gaucher disease. Whether dealing with chronic pain, coping with medical treatments, or addressing feelings of isolation and uncertainty about the future, CBT offers strategies to help individuals manage their mental health and improve their quality of life. In this book, we begin by exploring the biological underpinnings of Gaucher disease, introducing key concepts in genetics and epigenetics to provide a foundational understanding of the disorder. From there, we transition into a discussion of trauma, particularly as it relates to chronic illness and how it impacts individuals on both emotional and psychological levels. Cognitive Behavioral Therapy (CBT) serves as the primary therapeutic approach in this text, not only for managing emotional distress but also for addressing the various pain syndromes that frequently accompany Gaucher disease. This book is structured to guide readers through the basics of CBT, with practical tools and techniques specifically tailored for those experiencing the mental health challenges associated with genetic illnesses. Throughout the chapters, you will find a blend of scientific insight and therapeutic strategies, addressing the unique psychological and physical pain caused by Gaucher disease. Special attention is given to managing complex pain, the psychological toll on patients and families, and the importance of personalized therapeutic approaches. Additionally, this book aims to provide a resource for therapists, caregivers, and medical professionals who support individuals with Gaucher disease, offering insights into how to integrate psychological care with medical treatment. Ultimately, this book is meant to empower individuals living with Gaucher disease to take control of their mental well-being, providing them with the tools to navigate their personal genetic journey while maintaining a sense of balance, hope, and resilience. It is my hope that this work will serve as both a guide and a source of strength for patients, their families, and the professionals dedicated to improving their lives.