This reference work covers everything from a runny nose to an irregular heartbeat. It helps to pinpoint physical and mental problems, as well as indicating the signs of a more serious or life-threatening disease. Worries can be quickly answered, as it describes how hundreds of mind and body disorders show themselves. The book allows readers to check what a particular symptom implies and whether the problems is likely to be trivial or serious. It gives practical advice on the significance of a whole spectrum of symptoms, from abdominal pain to zoophobia, including anxiety, breast pain, cramps, double vision, excessive sweating, flushing, giddiness, hallucinations, irritable bowel, joint pain, knee problems, loss of weight, memory loss, noise in the ear, painful periods and sexual problems. Robert Youngson is the author of "The Royal Society of Medicine Encyclopedia of Family Health", "The Surgery Book", "The Guinness Encyclopedia of the Human Being" and "The Collins Medical Dictionary".