Pt. I. Introduction. 1. Hypertension in Blacks: Physiological, Psychosocial, Theoretical, and Therapeutic Challenges / J.C.S. Fray -- Pt. II. The Middle Passage...the Early Years: Genetic Shifting Ground. 2. Salt, Slavery and Survival: Physiological Principles Underlying the Evolutionary Hypothesis of Salt-Sensitive Hypertension in Western Hemisphere Blacks / Clarence E. Grim and Thomas W. Wilson. 3. Characteristics of Prehypertension in Black Children / Bonita Falkner -- Pt. III. The Contextual Model...Sociocultural and Psychosocial Dimensions. 4. Social and Cultural Dimensions of Hypertension in Blacks: Underlying Mechanisms / William W. Dressler. 5. Psychosocial Factors in Hypertension in Blacks: The Case for an Interactional Perspective / Hector F. Myers and Faith H. McClure. 6. Autonomic Reactivity and Hypertension in Blacks: Toward a Contextual Model / Norman B. Anderson and Maya McNeilly -- Pt. IV. Salt Sensitivity, Nutrition, Intracellular Ions, Renin: Physiological Considerations. 7. Salt Sensitivity and Hypertension in African Blacks / Jacob Mufunda and Harvey V. Sparks, Jr. 8. Role of Nutrition in Black Hypertension: Calcium and Other Dietary Factors / James R. Sowers, Paula C. Zemel and Michael B. Zemel. 9. Intracellular Ions and Hypertension in Blacks / Richard S. Cooper and James L. Borke. 10. (pro)Renin Processing and Secretion in Black Essential Hypertension and Other Low-Renin Syndromes / J.C.S. Fray -- Pt. V. Theory and Therapy...the Volume-Vasoconstriction Spectrum. 11. Pathogenesis of Hypertension in Blacks: Features of an Equilibrium Model / J.C.S. Fray. 12. Drug Therapy in Black Hypertensives / Jackson T. Wright, Jr. and Janice G. Douglas