"Medicine has made spectacular advances, but its techniques for approving and selecting treatments remain locked in statistical and experimental design methods developed in the first decades of the twentieth century. In this book, Manski gives an accessible, practical explanation for why failures to confront the ambiguities of treatment decisions harm patients. He describes how modern statistical decision theory, including his own contributions, can save lives if incorporated into medical training and the decision making of clinicians, standard-setting bodies, and regulatory agencies. This is a must-read for those who take the Hippocratic Oath seriously."—Daniel McFadden, Nobel Laureate in Economics