Moderate coffee and tea consumption is associated with slower cognitive decline

Stephanie R Rainey-Smith; Kelsey R Sewell; Belinda M Brown; Hamid R Sohrabi; Ralph N Martins; Samantha L Gardener

doi:10.1177/13872877251361058

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Moderate coffee and tea consumption is associated with slower cognitive decline

Journal article

Open access

Peer reviewed

Moderate coffee and tea consumption is associated with slower cognitive decline

Stephanie R Rainey-Smith, Kelsey R Sewell, Belinda M Brown, Hamid R Sohrabi, Ralph N Martins and Samantha L Gardener

Journal of Alzheimer's disease, Vol.107

2025

DOI: https://doi.org/10.1177/13872877251361058

PMID: 40686251

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Abstract

Alzheimer's disease

coffee

cognitive decline

tea

UK Biobank

Background Globally, coffee and tea are consumed extensively, potentially providing neuroprotection through anti-inflammatory and antioxidative stress effects. Objective This study aimed to investigate associations between coffee and tea intake and cognitive function. Methods In a longitudinal prospective cohort study, dementia-free (n = 8715; age range 60.0–85.2 years) older adults from the UK Biobank self-reported coffee and tea intake over the previous year; ‘never’, ‘moderate’ (1–3 cups/day), or ‘high’ (≥4 cups/day). Participants completed cognitive assessments at ≥2 timepoints (mean of 9.11 years). Results Those ‘never’ consuming coffee and ‘moderate’ coffee consumers (β = 0.06, p = 0.005; β = 0.07, p < 0.001, respectively), as well as ‘moderate’ tea consumers and ‘high’ tea consumers (β = 0.06, p = 0.009; β = 0.06, p = 0.003, respectively) had slower fluid intelligence decline. Additionally, those ‘never’ consuming coffee and ‘moderate’ coffee consumers had a slower increase in pairs matching errors (β = −0.05, p = 0.022; β = 0.05, p = 0.013) compared to ‘high’ consumers. Conclusions ‘Moderate’ coffee, and ‘moderate’ and ‘high’ tea intake may be a protective factor against cognitive decline. Randomized controlled trials are required to establish causal relationships leading to evidence-based recommendations regarding benefits of coffee and tea intake.

Details

Title: Moderate coffee and tea consumption is associated with slower cognitive decline
Authors/Creators: Stephanie R Rainey-Smith - Edith Cowan University
Kelsey R Sewell - Murdoch University
Belinda M Brown - Murdoch University
Hamid R Sohrabi - Edith Cowan University
Ralph N Martins - Macquarie University
Samantha L Gardener - Edith Cowan University
Publication Details: Journal of Alzheimer's disease, Vol.107
Publisher: SAGE PUBLICATIONS LTD
Number of pages: 9
Identifiers: 991005794784907891
Murdoch Affiliation: School of Psychology; Research and Innovation Office; Centre for Healthy Ageing; Health Futures Institute
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 1 Clinical & Life Sciences; 1.287 Dietary Stimulants; 1.287.1516 Coffee and Caffeine
Web Of Science research areas: Neurosciences
ESI research areas: Neuroscience & Behavior