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Blood Lead Levels in Early Childhood Predict Adulthood Psychopathy
John Paul Wright, PhD*,
Danielle Boisvert, ABD,
and
Jamie Vaske, ABD
University of Cincinnati
* To whom correspondence should be addressed. E-mail: john.wright{at}uc.edu.
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Abstract |
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Using data from the Cincinnati Lead Study, this study examines the effects of postnatal blood lead concentrations in early childhood (78 months) on adult psychopathy and six subscales of the Psychopathic Personality Inventory. Results reveal that higher blood lead concentrations in early childhood are associated with higher levels of psychopathic symptoms in adulthood, controlling for the effects of gender, race, mothers IQ, childs intellectual achievement, and the quality of the home environment. Childhood lead levels predicted variation in Machiavellian Egocentricity, Social Potency, Impulsive Nonconformity, and Blame Externalization. Overall, these results implicate lead exposure in the etiology of psychopathy.
First published on May 11, 2009, doi:10.1177/1541204009333827
Youth Violence and Juvenile Justice 2009;7:208.
A more recent version of this article appeared on July 1, 2009

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[Abstract]
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