Caffeinated and decaffeinated coffee lower stress, depression and impulsivity

5 hours ago

Research explores coffee's effects on the gut-brain axis, revealing mechanisms through the gut microbiome.
Study includes 62 participants (31 coffee drinkers, 31 non-drinkers) using psychological tests and biological samples.
Both caffeinated and decaffeinated coffee reduce perceived stress, depression, and impulsivity scores.
Coffee increases gut bacteria like Eggertella sp and Cryptobacterium curtum, linked to metabolism and gut function.
Decaffeinated coffee improves learning and memory; caffeinated coffee reduces anxiety and inflammation risk.
Coffee interacts with gut microbes, metabolism, and emotional well-being, offering distinct health benefits.
Professor John Cryan highlights coffee as a complex dietary factor with potential long-term microbiome benefits.

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