The Gut Microbiome in Healthy and Long-Lived Individuals
New research has revealed the changes in the gut microbiome that occur with age, demonstrating a correlation between microbiome composition and health.
The microbiome of the gut
The microbiome is a diverse community of bacteria, archaea and viruses living in our gut. The intestinal microbiome is 98% made up of four bacterial groups: Firmicutes (Bacteroidetes), Proteobacteria (Proteobacteria), and Actinobacteria.
Source:
https://www.leafscience.org/the-gut-microbiome-of-healthy-long-lived-people/