NU580 Health Promotion Across the Life Span Unit 3 Discussion Per the Pender reading, the National Institute of Nursing Research identifies four themes to establish a scientific base of care and health promotion. Select one theme. Explain how research in this area can affect health promotion across the lifespan for a specific group (f.ex. children, the elderly, migrant farm-workers etc. )  Purchase this Tutorial. https://aptitudenursingpapers.com/