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.
Psychiatrists differ from psychologists and other mental health counselors; they are physicians with medical training who specialize in mental health issues.sychiatrists in private practice may supervise licensed psychologists or psychiatric residents. Those working in psychiatric hospitals may supervise a team of doctors, nurses and other mental health care workers.