this happens, at least a couple of times a week. >> brown: two years ago, journalist and author beth macy, etfellow roanoke resident, patricia and tess. macy tells their story, and thae of many , in a harrowing account that traces two decades of one of the worst drug crises in american history. it's called "dopesick." >> i heard it er and over from people who were struggling with opiod addiction. >> brown: you heard that phrase? >> that's the word they used. "i'm dope-sick, man," or "i was dope-sk when that happened." what does it mean? that means, like, excruciating withdrawal. they have sweats, diarrhea, chills, vomiting. and as somebody early on ithe book says, at the end of your journey, you're not doing it to get high, you're just doing it to keep from being dope-sick. >> brown: why did you take this on? >> it was just so much pain to process, what these families are going through. but this was a story i started following back when i was a newspaper reporter in 2012, and heroin had landed in roanoke, virginia, where i live, in a big way. >> brown: in "dopesick," macy focuses her repo