Coffee May Lower Your Risk of Dementia
Drinking Coffee Can Lower Alzheimer's Risk By 20%, All It Takes Is 3 Cups A Day
Green Tea Consumption and the Risk of Incident Dementia in Elderly Japanese: The Ohsaki Cohort 2006 Study
- Under a Creative Commons license
Open Access
Objective
Biologic
studies have shown that certain components of green tea may have
protective effects on neurocognition. However, because of the lack of
human epidemiologic studies, the impact of green tea consumption on the
incidence of dementia has never been confirmed. The objective of this
cohort study was to clarify the association between green tea
consumption and incident dementia.
Methods
In
this 5.7-year prospective cohort study, using a questionnaire,
information on daily green tea consumption and other lifestyle factors
was collected from elderly Japanese individuals aged 65 years or more.
Data on incident dementia were retrieved from the public Long-term Care
Insurance Database.
Results
Among
13,645 participants, the 5.7-year rate of incident dementia was 8.7%.
More frequent green tea consumption was associated with a lower risk of
incident dementia (hazard ratio for ≥5 cups/day versus <1 cup/day:
0.73; 95% confidence interval: 0.61–0.87). The lower risk of incident
dementia was consistent even after selecting participants who did not
have subjective memory complaints at the baseline.
Conclusion
Green tea consumption is significantly associated with a lower risk of incident dementia
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