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 fate of the Neanderthals.
According to a study published in Science Advances, 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.
New evidence suggests that Homo sapiens and their hominid ancestors have struggled with lead for millions of years, with our ability to withstand its impacts potentially explaining how we outlasted the Neanderthals.
Author's summary: Lead exposure has been a human issue for over 2 million years.
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