Brewing Brain and Belly: Coffee Rewires Your Gut for Better Mood and Performance

A University College Cork study shows coffee reshapes the gut microbiome and gut-brain axis, with certain bacteria thriving in coffee drinkers; decaf improves memory, sleep, and mood, while caffeinated coffee enhances attention and lowers inflammation, indicating coffee’s benefits go beyond caffeine and may affect mood, recovery, and cognitive function—useful insights for athletes, though individual microbiomes vary.