India, May 4 -- Researchers at APC Microbiome Ireland, based at University College Cork, have made an important discovery about how coffee affects the body. For the first time, they closely studied how coffee, whether or not it contains caffeine, interacts with the 'gut-brain axis,' the system that connects the digestive system and the brain.
The study, published in Nature Communications and supported by the Institute for Scientific Information on Coffee (ISIC), compared 31 regular coffee drinkers with 31 people who don't drink coffee. The participants answered questions about their mental health, recorded what they ate and drank, and gave stool and urine samples. Coffee drinkers in the study usually had 3 to 5 cups a day, which is conside...