This clear, rigorously researched and up-to-date encyclopedia will help to assess and understand a vast range of ailments. From the common cold to chronic fatigue syndrome, and from osteoarthritis to autoimmune diseases, health issues are addressed in an accessible, succinct and reassuring way. Each chapter deals with a major system of the body, and contains a survey of the conditions that may affect that system. There are also chapters covering issues such as caring for the terminally ill, children's health, and maintaining a healthy lifestyle. The book is illustrated with artworks, charts and specialist photographs, and will quickly become an indispensable part of any home library.