Lead is toxic though. Leaded gasoline and paint made people dumber and more violent. You can see the trend take about a decade after we stopped making lead paint and having unleaded gasoline where violent crime steadily dropped.
"The elimination of lead from gas is one of the great environmental achievements of all time," Browner said. "Thousands of tons of lead have been removed from the air, and blood levels of lead in our children are down 70 percent."
So where is you evidence that IQs or even SAT/ACT test scores have increased since 1973 when they started to reduce lead in Gasoline in America ?
Lead from gasoline or paint is not the same a lead poisoning , not that it is good for you.
Lead is toxic though. Leaded gasoline and paint made people dumber and more violent. You can see the trend take about a decade after we stopped making lead paint and having unleaded gasoline where violent crime steadily dropped.
"The elimination of lead from gas is one of the great environmental achievements of all time," Browner said. "Thousands of tons of lead have been removed from the air, and blood levels of lead in our children are down 70 percent."
So where is you evidence that IQs or even SAT/ACT test scores have increased since 1973 when they started to reduce lead in Gasoline in America ?
Lead from gasoline or paint is not the same a lead poisoning , not that it is good for you.
https://www.epa.gov/archive/epa/aboutepa/epa-takes-final-step-phaseout-leaded-gasoline.html