Examines how health professionals and others who care for children, adolescents and families can be more effective in health promotion and disease prevention, especially in relation to behavior, development, and function. Prescribes a more comprehensive and intensive health supervision where health, educational, and social issues are treated as interrelated and not assessed in isolation from each other. Recommends that health professionals use a contextual approach and be sensitive to the world of the child. Comprehensive, family-centered, and community-based health supervision requires that the child or adolescent be viewed in the context of his or her family and community and that health care be integrated with other human services.