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.
A psychiatrist is a physician who specializes in psychiatry. A psychiatrist specializes in the diagnosis and treatment of mental disorders.Psychiatrists are medical doctors, unlike psychologists, and must evaluate patients to determine whether their symptoms are the result of a physical illness, a combination of physical and mental, or a strictly psychiatric one.sychiatrists are medical doctors, unlike psychologists, and must evaluate patients to determine whether their symptoms are the result of a physical illness, a combination of physical and mental, or a strictly psychiatric one.