Mental illness is a disorder of the4 brain that disrupts a person’s thinking, feeling, and ability to interact with others.
Mental Illness refers collectively to all diagnosable mental disorders. Can refer to a disease of the brain with predominant behavioral symptoms as in acute alcoholism or a disease of the mind or personality that results in abnormal behavior as with hysteria or schizophrenia. Can refer to any psychiatric illness listed in Current Medical Information and Terminology of the American Medical Association or in the Diagnostic and Statistical Manual for Mental Disorders of the American Psychiatric Association.