male and female doctors are studying gut microflora together

gut digestive health microflora tract bacteria doctor diet flat lactobacillus system vector gastrointestinal healthy illustration microorganisms nutrition tiny abstract campylobacter healing lactobacilli stomach anatomy body clostridium coli cultures dietary disease enterococcus environment escherichia fermentation fermented fungus immunity infection inflammation intestinal microbial microbiology mini person probiotics supplement multiracial black caucasian concept