Modifying the environment is a characteristic of the human species. With deforestation and the expansion of urban centers, diseases known in animals have begun to be described in humans. Science textbooks constitute an instrument of great importance in understanding this issue. This study evaluated the main science textbooks, recommended by the…

The ability of various treatment processes, such as oxidation ponds, chemical coagulation and filtration, and the soil mantle, to remove the agents of infectious disease found in waste water is discussed. The literature concerning the efficiency of removal of these organisms by various treatment processes is reviewed. (BT)

This book deals comprehensively with many of the environmental factors that endanger the attainment and maintenance of health, a condition defined as being a state of complete physical, mental, and social well-being. The author, taking a qlobal view of community life and culture, environmental factors and economic realities, examines the…

This bibliography contains annotations of materials that could be used by health personnel and their teachers in developing countries. Over 600 entries are presented in French and in English sections. Each section consists of 13 subject headings, an author index, and a title index. The annotations describe the contents, level, and uses of the…

This book examines comprehensively all the major health topics covered in an introductory health course and may be used in courses with a science orientation as well as in those oriented toward behavioral and social issues. The book is designed so that each chapter is a complete, independent unit. Relevant physiological facts are presented in the…