Dr. Fred Arnold attended a course called Heavy Metal Toxicology, Clinical chelation: EDTA, DMPS, DMSA and the Environmental Seminar in Tempe, AZ October 9-11, 2015. The course was offered by IV Nutritional Therapy for Physicians. Dr. Arnold became certified in Chelation last year with this same organization but took the course this year because it included new information presented by Dr. Walter Crinnion of SpiritMed, Medical Education.