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We have a pretty good understanding of why kids put stuff in their mouths and it’s more about exploration and their mouths being more centre of their sensory experience at younger ages.

Cool. So long as you're not conflating evolutionary pressures with internal mental states, drives, and desires. Doing so would mean you're dipping into Lamarckianism.




I don't understand why you posted that because thus far you're the only person who's suggested it's an evolutionary trait.




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