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Very dangerous: don't do it at home :). Seriously, fecal microbiome tranplantation is very effective for some conditions such as very nasty hospital-associated recurrent Clostridium difficile infections, but for many other conditions or diseases its efficacy has not been proen yet. And it can be done only under strict hospital procedure in any case!

Bobby is actually Blautia obeum . Do not worry, having one of the bacteria in tha panel of those associated with less favourable cardiometabolic markers does not mean you have a pathogen! And if you are doing worse than the average population in only one of the 15 bacteria you are actually doing pretty well. We are however working in trying to understand what are the causal rather than "just" associative links for those bacteria, but not there just yet! The dietary recommendations right now do not act on single bacteria, but should help in improving the overall microbiome.

Yes. Indeed, we believe that the microbiome is linked to how each of us responds to food even stronger than human genetics

We believe so, and other research is suggesting that. But each fermented food is different and contains different species or strains of bacteria. So it's difficult to generalize here. We hope that the Predict will scale up to a size in which we will have the statistical power to answer well to such questions!

Good question! Many microbes are probably present in the gut microbiome below the minimum amount needed to "see" them via metagenomics. So the point is to be able to trigger them to grow with the right conditions. In any case, at birth newborns are almost sterile and multiple research showed that they quickly acquire microbes from the mother even during the birth process and then also from other family members (including pets!). So also adults are probably always in contact with bacteria that they _can_ be acquired.