Uploaded June 2026 | Updated September 2026, 6 days ago

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There's a gene that impacts both straight hair and male-pattern baldness, and a recent Harvard ancient DNA study revealed something that surprised scientists.

Scientists had a hypothesis about the evolutionary trajectory of this trait, but ancient genomes told a different story.

23andMe's ancient DNA expert breaks down what 7,000 years of human history did to our hair.

#23andMe #AncientDNA #Genetics #Baldness #HairScience #YouTubeShorts #LearnOnYouTube