Benefits were also recorded in non-caffeinated coffee, found to improve learning and memory

Regular consumption of coffee “significantly” boosts mood and improves concentration, while non-caffeinated coffee also has health benefits, according to a major new study that sheds new light on how the drink interacts with our minds and bodies. 

Researchers at APC Microbiome Ireland, a world‑leading centre at University College Cork, found that both caffeinated and decaffeinated coffee altered the gut microbiome in ways that improved perceived mood and stress levels – and, in some cases, sharpened cognitive performance. 

The team said the research builds on previous breakthroughs in understanding the numerous positive effects coffee drinking is now associated with.