Patrick Holford is one of the world's leading authorities on new approaches to health and nutrition. He has a degree in psychology and in 1984 he founded the Institute for Optimum Nutrition (ION), a charitable and independent educational trust for the furtherance of education and research in nutrition. It is now the largest training school in the UK for nutrition consultants and widely respected as a leading edge organisation by professionals and media alike. Patrick Holford frequently appears on television and radio discussing nutrition, food, environmental and health issues. He also lectures and presents workshops throughout the world to public and health professionals on a wide range of topics. During the last decade he has written 14 books on the subject, selling close to half a million copies worldwide. He is also the editor of Optimum Nutrition magazine, published quarterly by ION.