It's easy to pick out 1 or 2 studies that show no result on this topic, but that'd be cherry-picking. Google scholar gives 1,750 results on "breast milk iq" in

It's easy to pick out 1 or 2 studies that show no result on this topic, but that'd be cherry-picking. Google scholar gives 1,750 results on "breast milk iq" in just 2017. See my other response.