About The Study: This study found that greater consumption of caffeinated coffee and tea was associated with lower risk of dementia and modestly better cognitive function, with the most pronounced association at moderate intake levels.
Corresponding Author: To contact the corresponding author, Dong D. Wang, MD, ScD, email dow471@mail.harvard.edu .
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(doi:10.1001/jama.2025.27259)
Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.
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