Several readers have sent me a link to a Brookings report summarizing three recent studies on lead and crime. Thanks! Two of the studies I've already written about, here and here, but the third was new to me. It's an especially incisive and well-done study.
The authors are Stephen Billings and Kevin Schnepel, who have made clever use of some data from North Carolina. Back in 90s, North Carolina tested children for blood lead levels, and if they were above the CDC guidelines they were tested again. If they were over the limit the second time, they received an intervention designed to lower their lead exposure. ...
http://www.motherjones.com/kevin-drum/2017/06/powerful-study-lead-crime-hypothesis
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