What The Study Did: This study of 1,600 older adults free of dementia at baseline examined whether accumulation over a lifetime of cognitive and social activities was associated with a slower rate of memory loss and a reduced risk of dementia, taking into account brain pathologies.
Authors: Xiuying Qi, Ph.D., and Weili Xu, M.D., Ph.D., of Tianjin Medical University, Tianjin, China, are the corresponding authors.
(doi:10.1001/jamaneurol.2019.2455)
Editor's Note: The article includes funding/support disclosures. Please see the article for additional information, including other authors, author contributions and affiliations, financial disclosures, funding and support, etc.
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JAMA Neurology