« o~ = (Course 153) The Home. and, the School Health Program No health program can possibly reach its highest usefulness that is not intimately linked up with the home. This is particularly true because it involves: 1. Training in practice of health habits 2. Medical and nursing supervision This relationship between the home and school is now being accomplished in many communities through the medium of such organizations as the Parent- Teachers Association. we B+ By the time this point is reached, there should be no need to point out the importance of the hygime of the oceupational group. Frequently where this subject is considered, it is interpreted to mean only the industrial worker. In this course it is proposed to point out the application of the principles of hygiee to all employed persons—industrial, commercial, and professional. It will not be possible to consider jn detail each of the sub groups. We will use the method of typical examples. History of Groups Only the very briefest mention can be made of the history and development of industry, commerce, and the professions, The interested student will be curious to trace their evolution in their relationship to present day health resources and liabilities of the various groups. 1, Industrial group. Forms the lamgest single group of occupied persons. a. Prehistoric period. “Shall mounds and flint heaps” were really primitive factories for the manufacture of imple- . ments of offense and defense. b. Domestic period. Covered the time that industry was in and for the house out of raw materials furnished by the nouse.s c. Handicraft period. Carried on in or outside of the house, usually by free workers, Always works for the consumer.- d, Modern factory system. Supplies the economic wants of per- Sons, communities, and nations by wholesale production in especially constructed plants operated by wage earne rs Re Commercial group, This group is not so large as some other occupa- tional groups, but the rapid growth of cities ms increased both its size and relative importance from a health point of view, fhe evolution of our commercial groups does not stand out in periods quite so clearly as is the case with the industrial groups. During the past 50 years,.with growth of cities the health problems of the commercial groups have assumed more definite form,