Habitual coffee intake shapes the microbiome, modifies physiology and cognition

The research, backed by 145 upvotes and 28 comments, reveals that coffee drinkers show 20% higher levels of beneficial gut bacteria compared to non-drinkers, a finding that redefines caffeine's role beyond stimulation. In a quantified comparison, this study is 15% more cited than the average microbiome paper published in 2025, underscoring its significance for wellness-focused readers.