The 2017 Health Issue, featuring Roche Pharmaceuticals CEO Daniel O'Day and the 2017 Healthcare and Life Sciences 50 list. Featuring Katy Perry's larcenous Irish great grandmother, traveling in West Cork, medical breakthroughs from Irish universities, and the true story of Typhoid Mary. Plus Alzheimer's, hemochromatosis, Woody Guthrie, Judy Collins, and more.