least transferring the gut bacteria from a fat mouse to a thin mouse caused the latter to become fat. together with other researchers wants to find out of this applies to humans too. he s compiling a collection of people s gut data. as we can should we take a stool sample and collect the genetic material from it. the results show that the diversity of gut bacteria is different in slim and overweight people. it s preferable to have a lot of different strains of bacteria. as any fitly obesity study showed that a quarter of people have produced biodiversity in the gut. and that correlates with trikes that aren t very desirable by. like an increased risk of inflammation is equal. sterility is vital in hospitals but excessive cleaning and fear of germs