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ShinjiteFlorana t1_istrsfo wrote

Reply to comment by Petal_Chatoyance in How is the human gut microbiome established in infancy or earlier on? by molllymaybe

In that case are C-section babies at a disadvantage somehow? I feel like that would be easily documented as well.

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Tyrosine_Lannister t1_isugadt wrote

It's a fact, yeah.

But it's not the passage through the vaginal canal that's important, it's the antibiotics that the mother gets.

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Petal_Chatoyance t1_isugiw5 wrote

It is. Fortunately, bacteria are everywhere, and people are messy and sloppy. One way or another, everyone develops a gut biome.

It's just that the best biome comes from your mother, and establishes early. There is speculation that some issues - including obesity - are strongly related to the specific gut biome people gain in early childhood.

Some morbidly obese people might - I stress might, it hasn't been solidly proved yet - could be victims of, well, not enough poop all over them when they were born. They picked up a gut biome from the environment after, and it may not do the right job - goes the theory.

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