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New study shows drinking coffee, tea may reduce risk of dementia, stroke
Coffee and tea drinkers had lower risks of dementia and stroke, according to a study published in Plos Medicine in November 2021.
This study involved 365,682 participants aged 50 to 74 years from the UK Biobank.
During an 11.4-year follow-up, 5,079 subjects developed dementia, and 10,053 participants had a stroke.
The researchers found that coffee intake of 2-3 cups a day or tea intake of 3-5 cups a day, or their combined intake of 4-6 cups a day, were linked with the lowest risk of dementia and stroke.
The focus of the investigation was the association, not cause and effect, between coffee and tea consumption with stroke and dementia.
Factors that could influence the outcome, such as weight, diet, and smoking, were controlled.