a big surface. and everywhere under that surface terrorist cells of the immune system there are so many it s clear is that this is the main part of the human immune system the hope tie this mentioned up as to this. multiple sclerosis diabetes even heart disease could potentially be traced back to the gut says dr zygmunt. she wants to understand how bacteria and the immune system are connected and how they affect each other. and how we can make positive changes to the gut there might one day be a bacterial treatment to cure chronic diseases. and he was dr and that he is different than andy and in microbiologist and he s head of the department for like about a g at the sherry in the little things having me today just popping a pill with some intestinal flora in it can this cure diseases if there is this vision of the future i think many studies that we are looking at are probably