Gut Brain Axis Vertical 486264340

Tags: human flora head food man black nutrition Bacterial stress belly stomach inside mood system anatomy brain digestive axis tract fermentation influence digestion bacillus absorb constipation intestines intestine colon gastrointestinal bowel intestinal bowels microorganisms neurotransmitter infographics rectum microflora vector illustration immune system healthy body internal organ fermented food nutraceutical intestinal infection gut health medical poster portrait banner microbial balance motility secretion nutrient delivery