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" ... It might seem surprising at first pass that anyone, even an economist such as myself, would care to read a whole book of advice from an economist on parenting. But as you learn from both Cribsheet and Expecting Better, knowing what the evidence "says" about issues of safety, nutrition, behavior, and health in general are not about reading a study, or even a few studies, or even all the studies, and summarizing the results. Causality is very, very hard and what these books do at their core is walk you through how a world class empiricist assesses medical research for causality. ... "