Statistical data in the field of psychology comes from a variety of sources including case studies conducted in educational institutions, governmental institutions, and for-profit as well as non-profit organizations.
This site provides information on prevention, treatment, and rehabilitation services in order to reduce illness, death, disability, and cost to society resulting from substance abuse and mental illnesses
Health statistics are numbers about some aspect of health. Statistics relating to births, deaths, marriages and divorces are sometimes called "vital statistics." Researchers use statistics to see patterns of diseases in groups of people. This can help in figuring out who is at risk for certain diseases, finding ways to control diseases and deciding which diseases should be studied.