Medical columnist Jane E. Brody, in the New York Times:

“By 16, those with elevated lead levels were more likely to have committed antisocial and criminal acts like assaults, property damage, chronic truancy, disorderly conduct and vandalism… Indeed, some lead experts suggest that the recent decline in violent crime is a function not of law enforcement, but of the falling lead levels in children born after 1980.”

Medical columnist Jane E. Brody, in the New York Times.