Geriatric Psychiatry also known as geropsychiatry, psychogeriatrics or psychiatry of old age, is a subspecialty of psychiatry dealing with the study, prevention, and treatment of mental disorders in humans with old age. Geriatric psychiatrists can help patients with these concerns, and with mental disorders such as depression, anxiety, bipolar disorder, schizophrenia, and alcohol/substance abuse, which can happen at any age.