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Effects of a Person's Lactation History on Later-Life Development of Alzheimer's Disease: An Integrative Review
Moira Donovan1, Diane L Spatz2
1University of Pennsylvania School of Nursing, Philadelphia, Pennsylvania, USA.
Abstract:
The purpose of this integrative review is to assess the existing evidence regarding the effects of a person's lactation history on later-life development of Alzheimer's disease. The authors searched the electronic databases PubMed, Cumulative Index to Nursing and Allied Health Literature, Scopus, and Excerpta Medica dataBASE, and performed backward reference searches using search terms such as, "Alzheimer's disease, dementia," and "breastfeeding, lactation." Authors selected relevant records through the application of inclusion and exclusion criteria and reading the titles, abstracts, or records in full. In total, 400 articles were identified, and 10 articles meeting inclusion criteria were analyzed. Authors extracted data following Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines and scored levels of evidence according to Melnyk and Fineout-Overholt. Data were organized according to themes of breastfeeding duration, ever having breastfed, and indirect effects of breastfeeding. Breastfeeding may have neuroprotective effects for the lactating person and reduce the risk of later-life development of Alzheimer's disease. However, future research is necessary to determine the generalizability of this association.
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