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comment by b_b
b_b  ·  4117 days ago  ·  link  ·    ·  parent  ·  post: Why Are America's Postpartum Practices So Rough On New Mothers? - The Daily Beast

My guess--and it's only a guess, but an educated one--is that the obesity and IQ measurements are very subtle and have to be picked out of the data after controlling for much more important factors, namely diet and exercise, which are by far the two most important determinants of obesity, and parents' income, which is probably the most important factor in determining how well a child does academically. I'm not saying that there aren't benefits to breast feeding; of course there are, but on the list of determining factors of how well your child does, it's nowhere near the top of the list.