John Wilkes Booth was the son of prominent, wealthy actors. He, too, became an actor and was so popular, he was one of the first to have his clothes ripped off by fans. Hulton Archive/Getty hide caption
Psychology is the systematic investigation of the human mind, including behavior and cognition. It thus encompasses both normal and abnormal behavior. On the other hand, psychiatry is a branch of medicine dealing with mental illness.
What are the differences among psychologists, psychiatrists, social workers and counselors? A psychiatrist is a medical doctor who is trained in treating mental health issues and mood disorders with medication. The general term for a professional who treats individuals by talking and listening, and through applying learning theory, is a therapist.