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lead contamination in babies - increased risk of crime

increased lead exposure as a baby ready for crime
A high lead exposure in infancy inhibit brain development and increases the risk than adults to be violent. The dangerous effects of the neurotoxin on brain structure, intelligence, development and behavior are known for some time now, however, were first evaluated in long-term studies. More at

http://www.aerztlichepraxis.de/artikel_paediatrie_entwicklung_blei_12120587457.htm&n=1