TLDR: breastfeeding has a lot of benefits but IQ is not consistently correlated in the literature. I find IQ topics go as you suggest, generally. Parenting to

TLDR: breastfeeding has a lot of benefits but IQ is not consistently correlated in the literature. I find IQ topics go as you suggest, generally. Parenting topics around IQ are a slightly different beast: middle-class American parents (at least) are obsessed with making their baby smarter than your baby. It has been a thing for 35+ years. Something about the competitiveness of the boomers in the mid-80s spiked a baby IQ frenzy that has only worsened. I think the author is very smart at selling Substack Subscriptions to post-COVID moms.