for the pbs newshour, this is sandra hughes in los angeles. >> ifill: infant mortality, life expectancy, heart disease, obesity: in almost every area of health outcomes, black people are more vulnerable. in the latest addition to the newshour bookshelf, one african american doctor talks about what that looks like from the inside. jeff is back with that. >> brown: being black can be bad for your health, a lesson daymon tweedy writes in his new book, "black man in a white coat," a doctor's reflection on race and medicine that he learned time and again in his own life and in many years as a doctor. tweedy is a psychiatrist at duke university where he also attended medical school. welcome to you. so you start with this big subject. is that what started it for you, that you wanted to write about? >> yes, race is a highly charged political subject, but for me this is a personal story. this is about my experience and my journey. all too often in medical school, i learn about health problems in the black community, you hear this disease is more common than this, it's always more common than bla