cm0002@toast.ooo to United States | News & Politics@midwest.social · 16 days agoLead Exposure in Last Century Shrank IQ Scores of Half of Americanstoday.duke.eduexternal-linkmessage-square10linkfedilinkarrow-up141arrow-down10cross-posted to: usa@lemmy.ml
arrow-up141arrow-down1external-linkLead Exposure in Last Century Shrank IQ Scores of Half of Americanstoday.duke.educm0002@toast.ooo to United States | News & Politics@midwest.social · 16 days agomessage-square10linkfedilinkcross-posted to: usa@lemmy.ml
it shows