Recent studies suggest that lead ingestion is linked to aggressive behaviors on a national/macro level but not on an individual/micro level.

Question

Quizplus · Accepted Answer

Recent studies have found correlations between lead exposure and aggressive behaviors both on individual (micro) levels, such as increased aggression and lower IQ in children exposed to lead, and on national or community (macro) levels, such as higher rates of violent crime in areas with higher lead pollution.

Recent Studies Suggest That Lead Ingestion Is Linked to Aggressive