They found that lead exposure had a powerful and significant effect on children
Researchers at Princeton University and Brown University uncovered a link between exposure to lead in peoples’ younger years and criminal behaviour.
The material was a key component in paint during the 1960s and 1970s, before it was banned from house paint in 1976.
Leaded gasoline was also phased out between 1979 and 1986.
Exposure to lead in preschool years significantly increases the likelihood children will be suspended or incarcerated during school, the study found.
They correlated falling rates of antisocial behaviour with the decline in lead paint used over the past few decades.
Researchers discovered children aged up to six-years-old who had been exposed to lead showed displayed more aggressive behaviour, had trouble paying attention and exhibited poorer thinking skills and impulse control.
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