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Percentage of children aged younger than 5 years of age with blood lead levels 5 μg/dL or greater, by year and blood lead level

Abbreviation: BLLs = blood lead levels. The number of reporting jurisdictions varied somewhat from year to year. Childhood Blood Lead Surveillance System, United States, 2009-2014. (Source: Raymond J, Brown MJ. Childhood blood lead levels in children aged <5 years--United States, 2009-2014. MMWR Surveill Summ 2017;66[3]:1-10. [CDC]. Public domain.)

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Associated Disorders

  • Attention deficit hyperactivity disorder
  • Communication disorder
  • Developmental delay
  • Hyperactivity
  • Iron deficiency
  • Iron deficiency anemia
  • Language disorder
  • Learning disabilities
  • Mental retardation
  • Pica