 Dr. Adam Friedman runs the dermatology department at George Washington University, which hosts the program. Doctors of color can attract more patients of color. And when you have a workforce that is quite diverse, that trickles down into education. It trickles down into research. It's about being purposeful. Gigi Barnett, WTOP News. You feeling lonely? Well, a new Gallup poll finds one in five people worldwide say they feel lonely a lot. Medical research finds the toll of loneliness isn't just your emotional health, though.