Fossilized human teeth spanning two million years of evolution had shockingly high contents of lead, which may have been the ...

Lead exposure remains a public health issue around the world, even after decades of remediation efforts. According to the ...

Humans and our ancestors have been exposed to lead for 2 million years, but the toxic metal may have actually helped our ...

Lead exposure may have spelled evolutionary success for humans—and extinction for our ancient cousins—but other scientists ...

Lead is a powerful neurotoxin that disrupts the growth and function of both brain and body. There is no safe level of lead exposure, and even the smallest traces can impair memory, learning and ...

Lead exposure is not good for us, but thanks to a single gene in our brains, it was apparently even worse for our Neanderthal ...

Lead poisoning isn’t just an industrial-age problem. A new study reveals our ancestors, including Neanderthals, were exposed ...

Long before humans built cities or wrote words, our ancestors may have faced a hidden threat that shaped who we became.

Long before factories, mines, and cars filled the air with pollution, our distant ancestors were already living with a silent ...