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Mar 27, 2024

Genetic secrets from 4,000-year-old teeth illuminate the impact of changing human diets over the centuries

Posted by in categories: genetics, health

Researchers at Trinity College Dublin have recovered remarkably preserved microbiomes from two teeth dating back 4,000 years, found in an Irish limestone cave. Genetic analyses of these microbiomes reveal major changes in the oral microenvironment from the Bronze Age to today. The teeth both belonged to the same male individual and also provided a snapshot of his oral health.

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