This issue of Laboratory Medicine Clinics on Genetics will feature articles such as: Predictive and Diagnostic Testing in Psychiatry; Clinical Screening and Genetic Testing; Genetics and Addictions; The Neurobiology of Anxiety Disorders: Brain Imaging, Genetics and Psychoneuroendocriniology; Genetics of Psychiatric Disorders Methods: Molecular Approaches; Approaches to the Patient with Neurogenetic Disease; and Genetics of Personality Disorders.