The University of South Carolina study found Black physicians outperformed their White colleagues. But Black doctors were less at ease when they had White patients.
Sociologists at Rice University in Houston found that 18 percent of African Americans reported emotional or health problems resulting from perceived racial discrimination.
More than 9 percent of all African Americans ages 16 to 24 in October 2009 did not have a high school diploma or the equivalent and were no longer enrolled in school.
Sociologist Pamela Bennett of Johns Hopkins University has examined the residential patterns of people who marked off two racial categories on their census form.