Lead Poisoning in Humans: A 2 Million Year History
Lead has been poisoning humans for over 2 million years, with the toxic metal potentially rewiring early human brains and contributing to the Neanderthals' demise.
Research suggests that lead exposure is not a new issue, but rather a persistent problem that has affected human evolution, behavior, and language.
Lead's influence is so pervasive that it may have affected the evolution of human brains, behavior, and even our language.
A study published in Science Advances on October 15 reveals that humans' ability to withstand the worst impacts of lead may have partly contributed to their survival, while the Neanderthals were less fortunate.
Author's summary: Lead exposure has been a human issue for over 2 million years.
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