This document contains the two volumes of the Conference Edition of Healthy People 2010, a comprehensive, nationwide health promotion and disease prevention agenda. The first section of Volume I, "Healthy People 2010: Understanding and Improving Health," includes "Introduction,""Leading Health Indicators," and "Bibliography. The second section, "Healthy People 2010: Objectives for Improving Health (Part A)," includes a readers guide and the first 15 of 28 focus areas: "Access to Quality Health Services"; "Arthritis, Osteoporosis, and Chronic Back Conditions"; "Cancer"; "Chronic Kidney Disease"; "Diabetes"; "Disability and Secondary Conditions"; "Educational and Community-Based Programs"; "Environmental Health"; "Family Planning"; "Food Safety"; "Health Communication"; "Heart Disease and Stroke"; "HIV"; "Immunization and Infectious Diseases"; and "Injury and Violence Prevention." The first section, "Healthy People 2010: Objectives for Improving Health (Part A)" of Volume II includes: "Maternal, Infant, and Child Health"; "Medical Product Safety"; "Mental Health and Mental Disorders"; "Nutrition and Overweight"; "Occupational Safety and Health"; "Oral Health"; "Physical Activity and Fitness"; "Public Health Infrastructure"; "Respiratory Diseases"; "Sexually Transmitted Diseases"; "Substance Abuse"; "Tobacco Use"; and "Vision and Hearing." The second section of Volume II, "Tracking Healthy People 2010," includes: "General Data Issues" and "Major Data Sources for Healthy People 2010." (SM)