outline of public health outline of public health the following outline is provided as an overview of and topical guide to public health: health outlines exercise health health sciences public health navigation diseases index category part of a series onpublic health outline subfields community health dental public health environmental health epidemiology health economics health education health promotion health policy health politics mental health occupational safety sexual and reproductive health sanitation world health (global health - international health) prevention disease surveillance health promotion (behavior change) health indicators lists and categories terminology journals national public health agencies medicine portal society portal public health has been defined as "the science and art of preventing disease”, prolonging life and improving quality of life through organized efforts and informed choices of society, organizations (public and private), communities and individuals. nature of public health concepts communicable disease non-communicable disease disciplines bacteriology biostatistics environmental health epidemiology health administration health policy health politics health education occupational safety and health methods of public health prevention health promotion healthy community design environmental protection theories of public health germ theory