The fourth in a series of annual profiles of the Nation's health tracing the year 2000 objectives; replaces the Prevention Profiles that monitored the 1990 national health objectives. This is the first year that midcourse modifications to the objectives are presented & tracked in this report. Priority areas include: physical activity & fitness, nutrition, tobacco, substance abuse (alcohol & other drugs), family planning, mental health & mental disorders, violent & abusive behavior, educational & community-based programs, unintentional injuries, occupational safety & health, environmental health, & many more. Charts & tables.