Gabor Maté is a Hungarian-born Canadian physician who specialises in neurology, psychiatry, and psychology, as well as the study and treatment of addiction. In Dr. Maté's approach to addiction focuses on the trauma his patients have suffered and looks to address this in their recovery,with special regards to indigenous populations around the world. His book In The Realm of Hungry Ghosts, close encounters with addiction, Dr. Maté discusses the types of trauma suffered by addicts and how this affects their decision making in later life. He is also widely recognised for his perspective on attention deficit disorder and his firmly held belief in the connection between mind and body health. He has authored four books exploring topics including attention deficit disorder, stress, developmental psychology and addiction.