The author discusses the relationship between education and health care costs. He examines the causes for increased costs, health promotion, cost effectiveness, the personal health passport, and nutrition programs. (CT)

Ideas from social cognitive psychology with potential for oral health promotion are presented, and a project to promote oral health at the individual level, offering a method adaptable to any behavior that should become habit, is described. Suggestions for placing this material in behavioral sciences and dentistry curricula are made. (MSE)

Biomedical, logistic, economic, social, and psychosocial issues related to the successful distribution and use of a vaccine for human immunodeficiency virus (HIV) are reviewed. A mathematical model is introduced as an aid in conceptualizing these issues. The HIV vaccine should be seen as an adjunct to behavioral modification. (SLD)