@_Hurlock_ http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2992705/ … they claim parasite stress causes low IQ and is the reason for the global IQ distribution
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@LogicalAnalysis @_Hurlock_ there are probably lots of things like sickle cell trait trading off all kinds of things for disease resistanceThanks. Twitter will use this to make your timeline better. UndoUndo
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