Why do ancient humans have teeth riddled with holes?

What causes cavities? - Mel Rosenberg · 5:01 · Video: TED-Ed · Watch at the source

In short: Archaeologists recently discovered 15,000-year-old human remains with teeth full of cavities. This video explores the biological mechanisms behind tooth decay and how we can prevent these holes from forming.

The video examines the origins of dental decay by looking at archaeological evidence from 15,000 years ago. By investigating the biological processes occurring inside the mouth, it explains why teeth develop holes and provides insights into how to avoid them.

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