Tar made from birch tree bark is commonly found at Neanderthal sites, and experiments show that it kills some bacteria that cause skin infections ...

Neanderthals may have used birch tar for more than tools. New research shows it could slow bacteria and help protect wounds.

Members of a hunter-gatherer group that lived in south-western Scandinavia during the Mesolithic era—approximately 10,000 years ago—may have been affected by tooth decay and gum disease, according to ...