Topic Tag

#arrival

2 Tagged Stories
Health and Wellness

New Genetic Research Reveals Leprosy Existed in the Americas Long Before European Arrival

For generations, the history of leprosy in the Americas has been framed as a consequence of the "Columbian Exchange," the vast transfer of plants, animals, culture, and human populations—along with their diseases—between the New World and the Old World following the voyages of Christopher Columbus. It was a long-held scientific and historical consensus that leprosy, […]

October 1, 2026
Health and Wellness

Ancient DNA Study Reveals Leprosy Was Endemic to the Americas Long Before European Arrival

A long-standing historical narrative has held that leprosy, one of the world’s oldest and most stigmatized diseases, was introduced to the American continent by European colonizers during the age of exploration. This "Columbian Exchange" theory suggested that the arrival of settlers, and the subsequent transatlantic slave trade, brought various pathogens—including the bacteria responsible for leprosy—to […]

September 20, 2026