Lead Metal Toxicity Made Us Less Intelligent

Around half of all US adults born in the 1960s and 1970s lost an average of 5.9 IQ points due to having been exposed to toxic lead metal, primarily from leaded gasoline fuel.
By the 1970s, lead's toxic effects on the developing brains of young children were well-established, but industry fought hard to suppress that research and prevent much-needed government regulations that only arrived in 1996 (US) and 2000 (UK) when leaded gasoline fuels were FINALLY banned.
What do you think of this? Let me know in the comments.
To learn more about how lead metal affects the brains of young children, you can watch this slightly longer 14-minute video :)
• How LEAD POISONING Aff...
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[@NeuroEverything]

Watch this 14 minute video to learn about the history of lead toxicity and exactly how it affects developing brains 🧠
th-cam.com/video/QRrxQvKTK7g/w-d-xo.html

[@crad5476]

That explains a lot.