Reports on recent findings concerning the impact of selenium on human and animal health. In its various oxidation states, different concentrations of selenium may be helpful or detrimental to human health. (CP)

The House Interstate and Foreign Commerce Committee's regulatory legislation on recombinant DNA technology is discussed along with university reactions to it. Violations of federal guidelines and legal efforts are described. (LBH)

Reports that amphetamine given to normal boys resulted in a marked decrease in motor activity and reaction time, and improved performance on cognitive test, a response similar to those observed in hyperactive children. (SL)

Cites several examples of research studies in which medical as well as ethical considerations affected the treatments prescribed. The ethical versus the statistical aspects of drug testing are also discussed. (CP)

Progress has been made in the separation of the various components of whole blood, methods of storage, and efficient use of blood components, permitting better management of blood quality in children undergoing chemotherapy and radiotherapy in the treatment of cancer. (MB)

Epidemiologic research has revealed a wide spectrum of etiologic information concerning childhood cancer. (MB)

With the development of sophisticated techniques in the biology of conception, fetal research, sustaining life after functional death, and abortion, legal and ethical questions face the medical community. (JD)

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Pao's "quality filter" selection method is re-examined as to its effectiveness in selecting papers that not only are of use to medical educators but to researchers as well. It is concluded that the method does provide the librarian with a tool for forming a highly selective bibliography in a particular medical literature without need for…

The medical scientist program at the Duke University School of Medicine was designed to prepare students with clinical experience for careers in basic science, clinical teaching, and investigation. The career selections and professional activities of graduates and the factors that may have influenced their career choices are examined. (MLW)

A new method of multiple discriminant analysis allows a mixture of continuous and discrete predictors. It handles conditional, joint, or separate sampling. Subjects and criterion groups are represented as points in a multidimensional Euclidean space. Advantages of the method, deriving from Akaike Information Criterion model evaluation, are…

The Framingham Heart Study pioneered the concept of risk factors. This article recaps the history of the study, describes poster and essay contests used to commemorate the 40th anniversary of the study, and outlines the involvement of the National Heart, Lung, and Blood Institute in school health research. (Author/MT)

Discusses issues and the public's concerns related to using laboratory animals for research purposes. Indicates that several perceptions (such as recognizing that the public's attitudes toward respect for animal life are no more irrational than many broader attitudes toward the sacredness of life) characterize the most responsible of recent…