Coffee and Tea Consumption and Brain Connectivity in Alzheimer's Disease
Author Information
Author(s): Li Tianqi, Fili Mohammad, Mohammadiarvejeh Parvin, Dawson Alice, Hu Guiping, Willette Auriel A.
Primary Institution: Iowa State University
Hypothesis
How do coffee and tea consumption affect neural network connectivity and Alzheimer's disease risk?
Conclusion
Coffee consumption is linked to increased brain connectivity, while standard tea consumption is associated with decreased connectivity, influenced by genetic factors.
Supporting Evidence
- Higher coffee consumption is linked to increased connectivity in several brain networks.
- Green tea intake is associated with enhanced connectivity in visual networks.
- Standard tea consumption is related to decreased connectivity in memory and motor networks.
- The APOE4 genotype influences the relationship between coffee intake and brain connectivity.
- Participants without a family history of Alzheimer's showed more connectivity with higher coffee intake.
Takeaway
Drinking coffee might help your brain work better, but drinking regular tea could make it work worse, especially if you have certain genes.
Methodology
The study analyzed data from the UK Biobank using linear mixed models to assess the effects of coffee and tea consumption on brain connectivity.
Potential Biases
Potential recall bias in self-reported dietary data and unmeasured confounding factors.
Limitations
Self-reported dietary data may introduce recall bias, and the study's findings may not generalize to non-European populations.
Participant Demographics
Predominantly women (52.54%) with a mean age of 55.07 years.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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