A psychiatrist is a medical Doctor Who specializes in diagnosing, treating, and preventing mental health disorders. They use a combination of psychotherapy, medication management, and other therapeutic techniques to help patients manage conditions such as depression, anxiety, schizophrenia, and Bipolar disorder. Psychiatrists can conduct physical examinations and order laboratory tests to rule out other medical issues affecting mental health. Their approach often combines biological, psychological, and social factors in understanding and treating mental illness.