2s Course 154 References: Bossard, J. W.--Problems of Social Well-being, Chaps. 7 & 16 Dublin, L. I.--Health and Wealth, Chapter 1 Moore, H. H.--Modern Medicine and the Public Health Goodnow--Constitutional Foundations of Public Health U.S.Public Health Service Reprint 559 (Document Rm.) V. SUBDIVISIONS OF SOCIETAL HYGIENE For purposes of discussion, societal hygiene may be considered under several subdivisions. 1. Educational hygiene. The necessity facts makes educational hygiene one department of health, and the whole é. Informational hygiene. Modern life researches, surveys, and studies of health. This service is a function laboratories; research divisions of organizations of experts. 5. Constructive hygiene. Includes the for wider diffusion of hygienic of the important functions of the educational system. demands a continuous process of new ways to protect and promote of departments of health; scientific colleges and universities; and intergroup provisions for securing and safeguarding the food supply; provision for play and recreation; and regulation of transportation of facilities. 4, Defensive hygiene. Community provision for defenses against health hazards involved in water supply, milk supply, waste disposal, communi- cable diseases, physical, mechanical, biological, and chemical causes of ill health. VI. PRESENT STATUS OF HEALTH SERVICE IN UNITED STATES A knowledge of what is now being done to meet the health service needs of our people is the first step in judging the adequacy of our public hygiene pro- gram. This can best be obtained by a brief review of the work of the official and voluntary agencies in the health field. Governmental Agencies. The health work of the government should be consider- ed under the head of federal, state, and local units. 1. Federal Health Agencies. The health work of the Federal government is not concentrated in a single department but is scattered through many bureaus. Only the most important will be considered. a. U.S. Public Health Service. The most important Federal agencies. Administered as a Bureau in the Treasury Department. Originated (1798) as Marine Hospital Service to care for sick and disabled seamen. Powers and functions have been gradually broadened: (1) Protection of U.S. from disease from without (2) Prevention of interstate spread of disease (3) Co-operation with State and local Boards of Health (4) Investigation of causes of human disease (5) Supervision of biological products (6) Public health education.