Lead Poisoning Linked to Violent Crime
"If econometric studies were all there were to the story of lead, you'd be justified in remaining skeptical no matter how good the statistics look. Even when researchers do their best—controlling for economic growth, welfare payments, race, income, education level, and everything else they can think of—it's always possible that something they haven't thought of is still lurking in the backg ...
Uploaded:2013/01/08 17:10:00
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Video Source: youtube.com