What are familial factors in lead toxicity?

Updated: Jan 16, 2020
  • Author: Pranay Kathuria, MD, FACP, FASN, FNKF; Chief Editor: Tarakad S Ramachandran, MBBS, MBA, MPH, FAAN, FACP, FAHA, FRCP, FRCPC, FRS, LRCP, MRCP, MRCS  more...
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Frequently, 1 or 2 children in a family develop more lead poisoning than other siblings. This observation may be related to age, activity, or genetics. Identical twins seem to have concordant lead levels and biologic evidence of lead’s effects, but this is less likely to be the case with fraternal twins.

For further information on etiology, see Pathophysiology and Etiology of Lead Toxicity.

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