Lead has been poisoning humans for over 2 million years

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 influencing the fate of the Neanderthals.

According to a study published in Science Advances, lead exposure has been a persistent issue throughout human history, correlating with the evolution of human brains, behavior, and language.

Exposure to lead may have affected the evolution of human brains, behavior, and even our language.

Author's summary: Lead poisoning has been a human issue for millions of years.

more

Popular Science Popular Science — 2025-10-15