New Book Says Understanding Risk is Key to Better Health Decisions

In a new book, "Know Your Chances: Understanding Health Statistics," some Dartmouth Medical School physicians suggest that taking the time to understand the often-confusing statistics used in the medical industry is the key to making smarter decisions about your individual health care. "To know what a discount means, you have to know the regular price," said Dr. Steven Woloshin, one of the authors. "The same is true in health care. If a drug promises '50 percent fewer deaths,' you need to know, 'Fewer than what?' " Read more.