MSN Documents the New Coffee Gut-Brain Axis Research Findings
According to a June 16 MSN feature, a new study has found that coffee benefits gut and brain health in ways that extend beyond caffeine alone. According to the coverage, researchers at APC Microbiome Ireland at University College Cork published the findings in Nature Communications. The study examined how coffee interacts with the gut-brain axis, the communication network that links the digestive system and the brain.
Both Caffeinated and Decaffeinated Coffee Shape the Gut Microbiome
According to the same June 16 MSN coverage and the underlying Nature Communications publication, both caffeinated and decaffeinated coffee shaped the gut microbiome in measurable ways. According to lead author Dr. John Cryan, the findings suggest that coffee’s benefits operate through multiple pathways beyond caffeine. These include polyphenols and other plant compounds. Coffee drinkers showed increased relative abundance of beneficial bacterial groups compared with non-drinkers.
Mood Stress and Cognition All Showed Coffee-Related Improvements
According to the same Nature Communications publication, changes in gut microbes were associated with better mood and lower stress levels in the study population. According to the researchers, decaffeinated coffee was linked to improvements in learning and memory. Caffeinated coffee was linked to reduced anxiety and better attention. The 62-participant study examined effects across both caffeinated and decaffeinated coffee groups over a two-week period.
Verywell Health Documents Black Coffee Versus Espresso Caffeine and Antioxidants
According to a June 16 Verywell Health feature, consumers are now asking whether black coffee or espresso delivers more caffeine and antioxidants. According to the coverage, an 8-ounce cup of black coffee typically contains about 95 milligrams of caffeine. A single 1-ounce shot of espresso contains about 63 milligrams. The polyphenol and antioxidant content varies based on roast level, brewing time, and serving size.
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Microbiome researchers continue to emphasize that the coffee and gut-brain findings apply to healthy adults consuming moderate amounts. Consumers with diagnosed gastrointestinal conditions or those taking prescription medications should follow individualized medical guidance from their physicians rather than rely on general population research recommendations alone.