sway2sway
10-20-2007, 10:17 PM
check this out:
http://www.nytimes.com/2007/10/21/magazine/21wwln-idealab-t.html?ref=magazine
"...found that the rise and fall of lead-exposure rates seemed to match the arc of violent crime, but with a 20-year lag — just long enough for children exposed to the highest levels of lead in 1973 to reach their most violence-prone years in the early ’90s, when crime rates hit their peak."
http://www.nytimes.com/2007/10/21/magazine/21wwln-idealab-t.html?ref=magazine
"...found that the rise and fall of lead-exposure rates seemed to match the arc of violent crime, but with a 20-year lag — just long enough for children exposed to the highest levels of lead in 1973 to reach their most violence-prone years in the early ’90s, when crime rates hit their peak."