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Old Posted Oct 2, 2019, 7:54 AM
Jonesy55 Jonesy55 is offline
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Join Date: Jul 2005
Posts: 1,163
I think the correlation is more with lead in fuel, the 1950s and 60s saw a big increase in car use so people growing up in that era could have childhood brain development affected, then from the 80s onwards lead was replaced in fuels
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