Lead Poisoning in Humans: A 2 Million Year History
Lead has been poisoning humans for over 2 million years, with its toxic effects potentially rewiring early human brains and influencing the course of human evolution.
Research published in Science Advances on October 15 reveals that lead exposure is not a new issue, but rather a persistent problem that has affected Homo sapiens and our hominid ancestors for millions of years.
Lead’s influence is so pervasive that it may have affected the evolution of human brains, behavior, and even our language.
This exposure may have also played a role in the fate of the Neanderthals, with our ability to withstand the metal’s impacts potentially contributing to our survival and their demise.
Author's summary: Lead poisoning has affected humans for over 2 million years.
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