Scivillage.com Casual Discussion Science Forum

http://m.phys.org/news/2015-11-gut-micro...olism.html "A recently published study shows that gut microbiota regulates the glutathione and amino acid metabolism of the host. Glutathione is a key antioxidant, found in every cell in our body. Deficiency of glutathione contributes to oxidative stress, which plays a major role in several lifestyle diseases."

Our microbiome seems to contribute to what we are as much as the overall biosphere has affected Earth's history (and still does).

Most people probably don't know our bodies carry more germs than our own cells.