Psychiatry is a medical specialty that deals with the diagnosis, treatment, and prevention of mental illness and emotional disturbance. Psychiatrists are medical doctors who specialize in the field of psychiatry and have the ability to prescribe medication as well as provide therapy. They use a combination of psychological, biological, and social treatments to help their patients manage and overcome mental health conditions. Some common mental health conditions that psychiatrists treat include depression, anxiety, bipolar disorder, schizophrenia, eating disorders, and substance abuse disorders. The goal of psychiatric treatment is to improve a person's quality of life and enable them to function in their daily activities.