Biome and Beyond Gut Food and Repair helps propagate healthy microbiome in the digestive tract
New York Times article explaining how microbiome affects many aspects in the human body.
There is also evidence that microbes residing in the gut can affect distant sites through their influence on a person’s immune responses. This indirect action has been suggested as a possible mechanism behind rheumatoid arthritis. In mice, certain bacteria in the gut have been shown to foster production of antibodies that attack the joints, resulting in the joint destruction typical of rheumatoid arthritis.
Link posted below to full article