"In the Realm of Hungry Ghosts" is a book by Dr. Gabor Maté that explores the complex relationship between addiction and mental health. It delves into the lives of individuals struggling with substance use disorders, emphasizing the impact of trauma, environment, and social factors on their behaviors. The title refers to the concept of "hungry ghosts" from Buddhist philosophy, symbolizing insatiable cravings and unfulfilled desires. Dr. Maté argues that understanding these underlying issues is crucial for effective treatment and healing, advocating for compassion and empathy in addressing addiction rather than judgment and stigma.