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by dmos62
2997 days ago
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That would presuppose that the dog knows that he has a fit immune system, which we couldn't really explain either. I think the causality relationship is less interesting than that there's a correlation between different aspects of interaction with the environment. Maybe the causality works both ways even? |
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feeling well is a pretty good proxy for a well working immune system, and it doesn't require any knowledge about immune system.