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Analysis of ancient teeth questions theory that Native Americans originated from Japan

Analysis of teeth has revealed Native Americans did not directly descend from the Jomon people in ancient Japan. (Image credit: Shutterstock)

Native Americans may not have originated in Japan as previous archaeological evidence has suggested, according to a new study of ancient teeth. 

For years, archaeologists had predicted that the first people to live in North America descended directly from a group called the Jomon, who occupied ancient Japan about 15,000 years ago, the same time people arrived in North America around 15,000 years ago via the Bering Land Bridge, a strip of land that previously connected Russia to North America before sea levels rose above it. This theory is based on archaeological similarities in stone tools, especially projectile weapons, found in Native American and Jomon settlements.

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