In this volume of Reviews of Physiology, Biochemistry and Pharmacology there a contributions by M.D. Swope, E. Lolis, F.Hofmann, L. Lacinova, N. Klugbauer, M. Hermann, P. Berger, S.S. Shen, J.S. Kim, M.E. Weksler, M. Hirsch-Kauffmann and M. Schweiger.

Inhalt
Macrophage migration inhibitory factor: Cytokine, hormone, or enzyme?.- Voltage-dependent calcium channels: From structure to function.- Aging of the male endocrine system.- Effect of age on thymic development, T cell immunity, and helper T cell function.- Aging and chromosomal instability.