This up-to-the-minute reference explores current trends, disease etiology and associations, novel assessment tools, and modern laboratory tests to promote coordinated treatment of comorbid substance abuse, psychiatric disease, and general medical conditions-recognizing the causal relationship between substance abuse and medical and psychiatric disorders and the effect of addiction on the outcome of individual patient recovery. Provides a discussion by Pietro Castelnuovo-Tedesco on the psychodynamic principles that guide the treatment of patients with substance abuse disorders-with or without concurrent medical or psychiatric illnesses!