Historical Aspects of Zinc. Zinc and Enzymes. Zinc and Gene Expression. Biochemistry of Metallothionein. Zinc and Hormones. Zinc and Lipid Metabolism. Zinc and Cells. Zinc and Neurobiology. Zinc and Immunity. Metabolism of Zinc. Clinical Spectrum of Human Zinc Deficiency. Interactions of Zinc with Other Micronutrients. Techniques for Measurement of Zinc in Biological Samples. Index.