Does coffee improve cognitive outcomes?
The long-term intake of caffeinated coffee could be associated with a lower risk of dementia and cognitive decline.
In a study published in JAMA, investigators used data from the 1980 to 2023 Nurses’ Health Study and the 1986 to 2023 Health Professionals Follow-up Study to examine the relationship between caffeinated or decaffeinated coffee and tea consumption and cognitive function as well as the development of dementia among more than 130,000 male and female participants.
The investigators identified just over 11,000 dementia cases. The participants who consumed higher levels of caffeinated coffee were less likely to develop dementia and subjective cognitive decline and more likely to have greater objective cognitive performance. A higher intake of tea was also correlated with better cognitive outcomes. The investigators noted that 2 to 3 cups of caffeinated coffee and 1 to 2 cups of tea demonstrated the most pronounced associations with cognitive function. However, decaffeinated coffee did not improve the risks of dementia or cognitive decline.
Read more: JAMA
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