"Growing up in Brooklyn, New York, it never occurred to Uché Blackstock and her twin sister, Oni, that they would be anything but physicians. In the 1980s, their mother headed an organization of Black women physicians, and for years the girls watched these fiercely intelligent women in white coats tend to their patients and neighbors, host community health fairs, cure ills, and save lives. What Dr. Uché Blackstock did not understand as a child--or...