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Lead in Environment Causing Violent Crime - Study 
February 21, 2005 
WASHINGTON - Lead left in paint, water, soil and elsewhere may not only be affecting children's intelligence but may cause a significant proportion of violent crime, a US researcher argued on Friday. 
He said the US government needs to do more to lower lead levels in the environment and parents need to think more about where their children may be getting exposed to lead. 
"When environmental lead finds its way into the developing brain, it disturbs neural mechanisms responsible for regulation of impulse. That can lead to antisocial and criminal behavior," said Dr. Herbert Needleman, a professor of psychiatry and pediatrics at the University of Pittsburgh School of Medicine. 
Needleman's team, using a technique called X-ray fluorescence, found very low levels of lead in the bones of children. 
Needleman cited several studies that associate crime with high levels of lead either in the bodies of those accused or in the environments they came from, including one that showed the average bone lead levels of 190 juvenile delinquents were higher than those of adolescents not charged with crimes. 
His study suggested that between 18 percent and 38 percent of delinquent crimes in the Pittsburgh area could be attributed to lead toxicity in the adolescents. 
Another one tested 300 delinquents and found those with higher lead levels reported more aggressive feelings or behavior disorders. 
"The brain, particularly the frontal lobes, are important in the regulation of behavior," Needleman told a meeting of the American Association for the Advancement of Science. 
"Exposure to lead, at doses below those which bring children to medical attention, is associated with increased aggression, disturbed attention and delinquency. A meaningful strategy to reduce crime is to eliminate lead from the environment of children." 
Taking lead out of most gasoline has contributed to a sharp reduction in the level of lead in the blood of Americans over the past 30 years. 
But lead is still found in paint, some types of fuel for older vehicles, older water pipes and in the soil. 
REUTERS NEWS SERVICE 
Kelly O'Grady RN
Lead Environmental Awareness and Detection L.E.A.D.
http://www.nrtco.net/~lead
Email: lead@nrtco.net
219 Welland St.,
Pembroke, ON CANADA
K8A 5Y5
Tel: 613-735-0717
Fax: 613-732-2859
Lead Environmental Awareness and Detection (l.e.a.d.) is a non-profit organization dedicated to identifying and preventing pediatric neurotoxicity in Canada. We promote the development of optimal social and physical environmental conditions for healthy productive children by recognizing the need for targeted early childhood blood lead screening of at-risk populations, and the need for raising public and professional awareness of this issue.
Posted by
Deborah Elaine Barrie 
4 Catherine Street 
Smiths Falls, On 
Canada 
K7A 3Z8 
(613)284-8259 
deborahbarrie@hotmail.com 
http://www.noccawood.ca 
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