Scientists just discovered what coffee really does to your gut and brain

University College Cork – ScienceDaily.com

A new study suggests coffee may influence mood and brain function by changing the activity of microbes in the gut. Both caffeinated and decaf coffee were linked to lower stress, depression, and impulsivity, while also producing measurable changes in gut bacteria and metabolites. Decaf was associated with better learning and memory, while caffeinated coffee appeared to reduce anxiety and improve attention.

Coffee may reshape the gut microbiome in ways that influence stress, mood, memory, and attention, with decaf and caffeinated coffee offering different potential benefits. Credit: Shutterstock

Coffee may affect far more than alertness. New research suggests that both regular and decaffeinated coffee can alter the gut microbiome and may influence mood, stress, memory, and attention through the gut brain connection.

Scientists at APC Microbiome Ireland, a research center at University College Cork, investigated in detail how coffee may influence communication between the digestive system and the brain.

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