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As the population ages, risks for cognitive decline threaten independence and quality of life for older adults and present challenges to the health care system. Nurses are in a unique position to advise older adults about cognitive health promotion and to develop interventions that optimize cognition in older adults. A literature review was conducted to provide nurses in mental health and geriatric care with an overview of research related to the promotion of successful cognitive aging for older adults. Research evaluating cognitively stimulating lifestyles and the effects on cognitive function in older adults of interventions targeting cognitive training, physical activity, social engagement, and nutrition were reviewed. Overall research findings support positive effects of cognitive and physical activity, social engagement, and therapeutic nutrition in optimizing cognitive aging. However, the strength of the evidence is limited by research designs. Applications for health promotion to optimize cognitive aging and future directions for research are discussed.
Williams et al. (2010) studied this question.