Did you know gut bacteria could affect your weight and health. bacteria clipart gut bacteria? The Second Brain. Immune system helps: Gut bacteria seems different in people with MS, Bacteria in your gut, Our Gut Bacteria say! Our Gut Bacteria Are What We Eat: Wellness Events in Thornton: How Gut Bacteria Affects Heart Health! Gastrointestinal tract Health Digestion Probiotic Gut flora! Bacteria Microorganism Gut flora Immune system Clip art! Lori Calabrese MD shows you how to make your gut microbiome work for! How Do Infant Immune Systems Learn to Tolerate Gut Bacteria.