blog posts Sick from your Stomach: Gut Bacteria May Trigger Diseases such as Rheumatoid Arthritis Jun 11, 2012 1:45 pm by Science Daily Share on Facebook Tweet Email The billions of bugs in our guts have a newfound role: regulating the immune system and related autoimmune diseases such as rheumatoid arthritis, according to researchers at Mayo Clinic and the University of Illinois at Urbana-Champaign. Share on Facebook Tweet Email