InhaltsangabePreface.- Evolutionary Trends in Body Size.- Sexual Dimorphism in the Growth of Homo sapiens: Facts, Inferences and Speculation.- Genetic Control of Size at Birth.- The GH/IGF-1 Axis: Insights from Animal Models.- Downstream Mechanisms of Growth Hormone Action.- Growth Hormone Receptor Signaling and Differential Actions in Target Tissues Compared To IGF-I.- IGF-I and Brain Growth: Multifarious Effects on Developing Neural Cells and Mechanisms of Action.- IGF-I Deficiency: Lessons from Human Mutations.- Putting IGF-I Biology into a Clinical Perspective.- IGF Resistance: The Role of the Type 1 IGF Receptor.- The Importance of the National Cooperative Growth Study (NCGS).- Subject Index