Sign Up for a Free Account

This is an image preview.
Start a Free Account
to view the full image.

  • Nearly 3,000 illustrations, including video clips of neurologic disorders.

  • Every article is reviewed by our esteemed Editorial Board for accuracy and currency.

  • Full spectrum of neurology in 1,200 comprehensive articles.

  • Listen to MedLink on the go with Audio versions of each article.

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.)

Associated Disorders

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