Tim has been working on the gut byam, which i think if you've read a newspaper in the last couple of years, you will be somewhat familiar with. But can you talk about what this is, and how does your research affect what we should and shouldn't be eating? So that the g microbiome is basically this huge community of microbes, a hundred trillion of them,. Most of them in the lower part of the intestines, the colon. This is an extra organ of our body that weighs the same as our brain. And most of it is down to got microbiom r these microbes that are so different. We very ot we only share about 20 % of our microbes, whereas