Sandra Goodman PhD is a Co-founder and Editor of Positive Health, a professional magazine devoted to complementary medicine. Trained as a molecular biology scientist in agricultural biotechnology in Canada and the US, Dr Goodman is the author of 4 books, including Nutrition and Cancer: State-of-the-Art, Vitamin C – The Master Nutrient, Germanium: The Health and Life Enhancer and numerous articles. Dr Goodman compiled the Cancer and Nutrition Database for the Bristol Cancer Help Centre in 1993. She may be contacted via This email address is being protected from spambots. You need JavaScript enabled to view it. www.drsgoodman.com