Gut bacteria may influence alcohol cravings, new study suggests

This study explores the link between gut bacteria and alcohol use disorder (AUD). Researchers compared gut microbiota in three groups: current heavy drinkers with AUD, people with AUD who have been abstinent for at least 4 weeks, and healthy moderate drinkers. Participants provided stool samples, underwent physical exams, and took part in cue-reactivity sessions in a bar-like setting to measure cravings. The goal is to understand if gut bacteria differ between these groups and if they relate to alcohol cravings.