Based on the combined works and extensive knowledge of Jan de Vries, Dr Carl Heede and Marie-Louise Schicht, this book provides guidelines on how to treat diseases associated with modern society. The author suggests that many of the diseases must be addressed in a new way - in treating twenty-first century diseases, a twenty-first century approach is needed. At the same time, de Vries reminds us of the great scientific pioneers of the past whi understood and used the gift s of nature to alleviate human suffering. He explores the possibility of going back to the grass roots of medicine in order to regain good health. Healing in the 21st century will be an eye-opener for those working in the medical profession. The author demonstrates that a multi-disciplinary approach, combining orthodox and conventional, old and new, medicine is not only possible but necessary. Part of the successful Jan de Vries Healthcare series, this book is an outstanding and authoritative manual, a must for anybody interested in attaining and maintaining good health.