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Lead Exposure
Contact with lead, a toxic metal, which can cause serious health problems, especially in children, affecting brain development and various other systems.
Intelligence Scores
Quantitative measures of a person's intellectual abilities, typically obtained through standardized testing.
Smelter
An industrial facility where metal is extracted or refined from ore by heating to a high temperature.
Infant Mortality
The death of babies under one year of age, often used as an indicator of the health and well-being of populations.
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