How Lead Exposure Relates to Temporal Changes in IQ, Violent Crime, and Unwed Pregnancy

08 May 2000Rick Nevin

Widespread exposure to lead is likely to have profound implications for a wide array of socially undesirable outcomes.

Cross-section study
2 effects

Reported Outcomes

CausesOutcomeCertainty

Lead Exposure Contaminant risk & protective factor
Lead Exposure
Contaminant

Violent crime Brain outcome
Minor increase risk of Violent crime
Brain system

Low evidence
1.0%

Lead Exposure Contaminant risk & protective factor
Lead Exposure
Contaminant

Intelligence Brain outcome
Minor decreased risk of Intelligence
Brain system

Moderate evidence
-1.0%