“The science and art of preventing disease, prolonging life and promoting health through the organized efforts and informed choices of society, organizations, public and private communities, and individuals.” -CEA Winslow, 1920 ● The sanitation of the environment ● Control of communicable infections ● Education of the individual in personal hygiene ● Organization of medical services for early diagnosis and preventive treatment of disease ● Development of the social machinery to ensure everyone a standard of living adequate for the maintenance of health