Damien Downing is president of the British Society for Ecological Medicine and editor of the Journal of Nutritional and Environmental Medicine. Since 1980, his work has established him as a leading figure in nutritional medicine in the U.K. He has undertaken pioneering work in the treatment of allergy, the linking of behavioural disorders with nutrition and light therapy and the treatment of chronic fatigue, autism and attention deficit/hyperactivity disorder. Dr. Downing maintains a private practice in the U.K. focusing on nutritional and alternative therapies.