The oral microbiome is the community of bacteria that live in the mouth. It helps us digest our food and keep our mouth healthy. Changes to the composition of the oral microbiome have been linked to periodontal diseases and some cancers. New research is a follow-up to a larger study investigating the use of mouthwash. Researchers wanted to explore further and investigate whether the mouthwash used had an impact on the oral microbiome of the patients. Researchers found that two species of opportunistic bacteria were significantly more abundant in the mouth after three months of daily use of the alcohol-based...