Science Daily
Scientists may have debunked one of humanity's oldest habits
2026-06-08
A study of wild primates indicates grooves on teeth once interpreted as evidence of ancient tooth-picking may instead result from natural wear. It also finds a common modern dental defect appears unique to humans, potentially linked to contemporary lifestyles.
Why It Matters
Findings refine interpretations of dental evidence used to reconstruct prehistoric human behaviors and evolutionary adaptations.
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