Marlene Houghton, PhD, has always been interested in natural health therapies, having studied herbalism (phytotherapy), holistic nutrition, and related natural therapies. She has over twenty years of experience working in orthodox medical settings in top London teaching hospitals. She is a nutritional therapist and a traditional herbalist as well as a nutrition consultant for a well-known group of health stores. She regularly contributes articles on traditional herbalism and aromatherapy to Echo World, a mind, body, and spirit magazine.