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The major source of lead exposure during the 20th century was leaded gasoline. Proponents of the lead–crime hypothesis argue that the removal of lead additives from motor fuel, and the consequent decline in children's lead exposure, explains the fall in crime rates in the United States beginning in the 1990s. [4]
Lead exposure during childhood has been tied to a variety of developmental problems, but a new study suggests it may not be associated criminal behavior.
Lead poisoning in children has been linked to changes in brain function that can result in low IQ and increased impulsivity and aggression. [263] These traits of childhood lead exposure are associated with crimes of passion, such as aggravated assault in young adults. [264]
Exposure to lead in gasoline during childhood resulted in many millions of excess cases of psychiatric disorders over the last 75 years, a new study estimates. Lead was banned from automobile fuel ...
Before that, the Health Department had a lead poisoning prevention program that mainly consisted of mandatory blood testing for children under 3. The 2004 law, called Local Law 1, beefed up the housing department’s inspection system, requiring that officials check for deteriorating lead paint when they are called for any complaint to an ...
Reduction in the average blood lead level is believed to have been a major cause for falling violent crime rates in the United States. [125] A statistically significant correlation has been found between the usage rate of leaded gasoline and violent crime: the violent crime curve virtually tracks the lead exposure curve with a 22-year time lag.
Significant lead exposure at an early age was linked to outcomes including arrest, incarceration or conviction in some form
This detail, drawing connections between childhood lead exposure and Louisville's broader issues with violence and the justice system, sparked a five-month investigation by environmental reporter ...