This perenially popular encyclopedia is a fully comprehensive guide to both common and unusual medical problems and terms. Includes entries for all major symptoms, from asthma and antiobiotics to stress and speech therapy. Clearly cross-referenced to related entries and further information, and organised in an easy-to-use A-Z format. With its helpfully educative illustrations, showing every part of the body and how the major organs work, this is truly the essential medical compendium that no home should be without.