Sunday, November 16, 2025

Scientists find a surprising link between lead and human evolution

Researchers found that ancient hominids—including early humans—were exposed to lead throughout childhood, leaving chemical traces in fossil teeth. Experiments suggest this exposure may have driven genetic changes that strengthened language-related brain functions in modern humans.

from Top Health News -- ScienceDaily https://ift.tt/CTR3eXa

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Why middle age is becoming a breaking point in the U.S.

A new international study finds that middle-aged Americans are lonelier, more depressed, and experiencing worse memory and health than earli...