Scientists and historians originally thought Europeans brought TB to the Americas 500 years ago, but growing evidence indicates this bacterial pathogen was infecting American Indigenous Peoples for at least 3,000 years
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Archaeological evidence reveals that Indigenous Peoples have resided in the Andes Mountains for more than 12,000 years, in regions including modern-day Ecuador, Peru, Bolivia and Chile. As you might expect, these populations show physiological adaptations to the cold temperatures, low oxygen concentrations and intense ultraviolet radiation that they experienced at high altitudes. Now, a new study by an international team of researchers suggests that Indigenous populations also
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