Discusses major uses of rats as experimental animals for studying health concerns, pointing out that their size, gestation, and histocompatibility make them useful in various studies. Topic areas addressed include aging, autoimmune disease, genetics, cancer, diabetes, hypertension, infection, reproduction, and behavior. (DH)

Traces the history of using mice for medical research and discusses the benefits of using these animals for studies in bacteriology, virology, genetics (considering X-linked genetic homologies between mice and humans), molecular biology, immunology, hematology, immune response disorders, oncology, radiobiology, pharmacology, behavior genetics,…

Important new medical findings and advances in heart, lung, and blood research with goals of encouraging practical applications are presented in this supplement to the 12th report of the National Heart, Lung, and Blood Advisory Council. The findings are the result of a 10-year research program directed to the highest identified priorities in…