Scottish-born Andrew Carnegie (1835-1919) was an American industrialist who amassed a fortune in the steel industry then became a major philanthropist. Carnegie worked in a Pittsburgh cotton factory as a boy before rising to the position of division superintendent of the Pennsylvania Railroad in 1859.
Biological treatments act directly on the biological mechanisms that cause, or are involved in, mental illness. This can be, for example, by altering the function or availability of a neurotransmitter, changing the way certain cells in the nervous system function, or removing dysfunctional parts of the nervous system.
The four main differences between psychiatrists and psychologists are: Psychiatrists are medical doctors, psychologists are not. Psychiatrists prescribe medication, psychologists canât. Psychiatrists tend to treat complex and serious mental illness, psychologists tend to treat less serious conditions. You need a referral from your GP to see a psychiatrist, while you donât for a psychologist.