Lots of press about "micronutrients improve kids' IQs!" today. But this is the extent of the evidence... http://www.thelancet.com/pdfs/journals/langlo/PIIS2214-109X(16)30354-0.pdf …pic.twitter.com/RcHWue6HXe
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There's some evidence that prenatal heavy metal poisoning is bad, but pretty small beta, 0.15 for log10(mg). @StuartJRitchie @bswud
And they did control for mother's IQ, but not father's (no data). @StuartJRitchie @bswud https://www.ncbi.nlm.nih.gov/pubmed/26109549
I believe the effects in principle but do proper studies!
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