Isn’t the fact that almost all babies/toddlers seem to have a desperate desire to stuff dirt in their mouth some evidence that (at least in the ancestral environment), this is good for them? Or at least not actively bad?
Add that to the HH, and it seems like something which doesn’t need a huge amount of evidence.
I agree that if you’re in a highly polluted area (i.e. everywhere urban or cultivated) this argument doesn’t apply.
Isn’t the fact that almost all babies/toddlers seem to have a desperate desire to stuff dirt in their mouth some evidence that (at least in the ancestral environment), this is good for them? Or at least not actively bad?
Add that to the HH, and it seems like something which doesn’t need a huge amount of evidence.
I agree that if you’re in a highly polluted area (i.e. everywhere urban or cultivated) this argument doesn’t apply.