This essential reference book, with over 400 warning signs of more than 250 life-threatening diseases, puts an E.R. doctor in your home - Heed the signs. Find out when your body is crying out for help. When is a headache just an annoyance. And when is it a symptom of a life-threatening condition? When is it crucial to get to a doctor within the next few days, hours, or even minutes? This potentially lifesaving guide pinpoints more than 400 symptoms and gives you the information you need to spot a serious medical problem before it's too late. Utilizing the expertise of three physicians, it highlights your body's red light warning signals; Injuries, fever, pain, and rashes may all require immediate medical attention. Even a nosebleed can become deadly. What are the signs of trouble? You can get the answers fast with a book that is the next best thing to having a doctor in the house.