Coffee and Tea Intake, Dementia Risk, and Cognitive Function
Yu Zhang; Yuxi Liu; Yanping Li; Yuhan Li; Xiao Gu; Jae H Kang; A Heather Eliassen; Molin Wang · 2026 · JAMA
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Importance: Evidence linking coffee and tea to cognitive health remains inconclusive, and most studies fail to differentiate caffeinated from decaffeinated coffee. Objective: To investigate associations of coffee and tea intake with…
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Metadata source: OpenAlex · DOI 10.1001/jama.2025.27259