Michael Gonzalez, D.Sc., Ph.D. reviews in this lecture various cancer therapies and the scientific basis for IV-C treatment. Intravenous ascorbate (IVC) is used as a chemotherapeutic and biologic response modifier. Dr. Gonzalez is Professor at the Nutrition Program, School of Public Health in the Medical Sciences Campus, University of Puerto Rico. He is a CONEM member. This lecture was held at the 1st Annual 2009 Riordan IVC and Cancer Symposium.