we know lead’s potential to twist behavior, attack every system in the body, erode cognition, and possibly even warp one’s DNA. Lead exposure has been linked to almost every kind of developmental and behavioral problem, including school dropout rates and criminality. A recent study looked at six U.S. cities that could provide good crime data and blood-lead-level data going back to the 1950s. Going neighborhood by neighborhood in New Orleans, it found that a rise in blood-lead levels matched a rise in incidence of violent crime. Econometrics studies looking at worldwide crime trends also show
...more