Lecture, two and one half hours. Core course for Health and Mental Health Across the Lifespan area of concentration. Introduction to social determinants/pathways of health, one of over-arching integrative and evidence-based frameworks accounting for upstream influences on health and mental health of populations. Review of different aspects of this approach and illustration of them with examples from efforts to prevent health and mental health problems and to promote positive health and mental health. Introduction to leading pscyhosocial theories that underpin social work practice in health promotion and disease prevention. Letter grading.