 State health departments have different names and responsibilities; in some states they are top-level administrative agencies, while in other states they are a division or bureau of another office.Health departments are usually responsible for public health, including preventive medicine, epidemiology, vaccinations, environmental health (sometimes including health inspections), and the licensing of health care professionals; the collection and archiving of vital records such as birth and death certificates and sometimes marriage and divorce certificates; health statistics; developmental disabilities; mental health; occupational safety and health; receiving and recording reports of notifiable diseases; and tobacco control.In some states, state health departments may additionally be responsible for social services and welfare, environmental protection/pollution control, or the operation of the state psychiatric hospital.