I have been away from it for a while and am sure they are improving but witnessed Herculean efforts to get zebra fish to survive in a zero bacteria environment.

I have been away from it for a while and am sure they are improving but witnessed Herculean efforts to get zebra fish to survive in a zero bacteria environment. this sort of stuff https://www.sciencedirect.com/science/article/pii/S0091679X16301571 https://www.sciencedirect.com/science/article/pii/S0091679X1... Off hand I would expect living without our microbiomes to be similar to slow starvation while gorging on junk food.