Lead and Neurodevelopment

  • Each 0.48 µmol/L  (10µg/dl) in children. = 4 to 7 IQ points (US Acad. Pediatrics).

  • Industry/ Australian government consensus of 3-5 IQ points.

  • Effects on behaviour are FAR WORSE.

  • Delinquency rates are 8 times higher in the top 30% of bone lead. Needleman 1996. Needleman, Herbert L. et al, "Bone Lead Levels and Delinquent Behavior," JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION Vol. 275, No. 5 (February 7, 1996), pgs.363-369.

  • Measurable adverse behaviour changes in 2 year olds Mendelsohn 1999. Alan L. Mendelsohn, Benard P. Dreyer, Arthur H. Fierman, Carolyn M. Rosen, Lori A. Legano, Hillary A. Kruger, Sylvia W. Lim, and Cheryl D. Courtlandt "Low-Level Lead Exposure and Behavior in Early Childhood“ Pediatrics 1998; 101: e10

More Comprehensive list of Health Effects

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