That’s very simplistic; there are way too many variables at play to make such a sweeping assertion. For one thing, most children born in the 80s (and especially

That’s very simplistic; there are way too many variables at play to make such a sweeping assertion. For one thing, most children born in the 80s (and especially the late 80s onward) had very little lead exposure in childhood, while almost all of their parents did.