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by addaon
38 days ago
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> We know some things from experience about the long term (1 year or so) effects on human health of 0g (tl;dr: not good). But we don't know anything about the long term effect of 0g on human fetuses, which live in a very different environment than the humans we have tested. They live in an environment that combines fluid immersion and surface support, with buoyancy playing a major role -- which could (or could not -- absence of evidence etc) seriously change the importance of gravity for development. I'd be more concerned about the impact of zero and low gravity on newborns than fetuses. |
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I agree with that. If (and it's if) it turns out that zero and low gravity are OK for foetal development, then there's the around 20 years of development that comes after birth and before adulthood, where "fluid immersion" is not part of the normal development process.