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Los niveles de plomo óseo y el comportamiento delincuente
H L Needleman1, J A Riess, M J Tobin
1Department of Psychiatry, University of Pittsburgh (Pa) School of Medicine, USA.
JAMA
|February 7, 1996
Resumen
La exposición al plomo en la infancia está relacionada con un aumento de los comportamientos antisociales y delincuentes. Este efecto en el desarrollo se observó en niños de 7 a 11 años, con niveles más altos de plomo óseo correlacionados con problemas de comportamiento.
Área de la Ciencia:
- Salud Ambiental Salud del medio ambiente.
- Psicología del desarrollo Psicología del desarrollo.
- Toxicología Toxicología.
Sus antecedentes:
- La exposición al plomo en la infancia es una preocupación significativa para la salud pública.
- Comprender los efectos a largo plazo del plomo en el comportamiento es crucial para las estrategias de intervención.
Objetivo del estudio:
- Investigar la asociación entre la carga corporal de plomo y el ajuste social en los niños.
- Determinar si la exposición temprana al plomo predice comportamientos antisociales y delincuentes posteriores.
Principales métodos:
- Estudio de cohorte retrospectivo en el que participaron 301 niños de una comunidad de escuelas públicas.
- Los niveles de plomo óseo se midieron utilizando espectroscopia de fluorescencia de rayos X K a los 12 años.
- El ajuste social y el comportamiento se evaluaron utilizando la Lista de Control del Comportamiento Infantil (CBCL) y los autoinformes a los 7 y 11 años.
Principales resultados:
- Las asociaciones límite entre los niveles de plomo y la agresión / delincuencia se observaron a los 7 años.
- A los 11 años, se encontraron asociaciones significativas entre los niveles de plomo óseo y varios problemas de comportamiento informados por padres y maestros, incluidos los comportamientos de externalización e internalización.
- Los niveles más altos de plomo óseo se asociaron con un mayor riesgo de problemas de atención, agresión y delincuencia.
Conclusiones:
- La exposición al plomo en la infancia se asocia con un mayor riesgo de desarrollar conductas antisociales y delincuentes.
- El impacto de la exposición al plomo en el comportamiento exhibe una trayectoria de desarrollo, cada vez más pronunciada con la edad.
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