Researchers have compared the DNA of 27 Black people who lived at the Catoctin furnace between 1774 and 1850, finding a link between these enslaved Americans and nearly 42,000 living relatives.
Genetic analyses back up what Swahili oral tradition has long held about ancestry of people from eastern Africa — that their ancestors are from Africa and abroad.
People of African ancestry have been excluded from many studies of brain disorders. In Baltimore, scientists, doctors and community leaders are working to make neuroscience research more diverse.
