Final answer:
Community health nursing optimizes self-care capabilities and enhances community capacity by addressing health disparities and providing sustainable health education and prevention.
Step-by-step explanation:
The activity that optimizes self-care capabilities of individuals and families and enhances the capacity of a community is Community health nursing. This branch of nursing is dedicated to working with communities to promote health, prevent disease, and ensure access to care for populations. Community health nurses identify and define critical problems and barriers of health, exploring strategies and engaging in community-based participatory research to create sustainable health education and disease prevention interventions leading to better health outcomes. They focus on eradicating the impact of health disparities influenced by socioeconomic, cultural, and ethnic factors. Moreover, community psychologists can be vital in promoting resilience within communities and fostering partnerships essential for the success of health equity interventions.