Author: Shulman, Neil & Birge, Jack & Ahn, Joon

When is a headache just an annoyance . . . and when is it the symptom of a life-threatening condition? This potentially lifesaving guide, newly revised and updated, gives you instant access to the information you need to spot a serious medical condition before it's too late. Written by three physicians with input from hundreds of other medical specialists, it includes new information on pregnancy, pediatrics, aging, protecting yourself from hospital errors, and screening tests that detect problems even before warning signs appear. 416 pp.