Coffee and tea intake, dementia risk, and cognitive function
JAMA
Published 2026-02-09 · Original archive entry · Explore research explainers
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.
To access the embargoed study: Visit our For The Media website at this link https://media.jamanetwork.com/
(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.
# # #
Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jama/fullarticle/10.1001/jama.2025.27259?guestAccessKey=b5f53c96-c7a8-47fa-b807-8b464361c4d8&utm_source=for_the_media&utm_medium=referral&utm_campaign=ftm_links&utm_content=tfl&utm_term=020926
END
Corresponding Author: To contact the corresponding author, Dong D. Wang, MD, ScD, email dow471@mail.harvard.edu.
To access the embargoed study: Visit our For The Media website at this link https://media.jamanetwork.com/
(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.
# # #
Embed this link to provide your readers free access to the full-text article This link will be live at the embargo time https://jamanetwork.com/journals/jama/fullarticle/10.1001/jama.2025.27259?guestAccessKey=b5f53c96-c7a8-47fa-b807-8b464361c4d8&utm_source=for_the_media&utm_medium=referral&utm_campaign=ftm_links&utm_content=tfl&utm_term=020926
END