Every cell in the body needs and requires iodine to survive. Yet, of all the elements known so far to be essential to life itself and human health, iodine is the most misunderstood. Dr. David Brownstein, a board-certified physician and a foremost practitioner of holistic medicine, is here to set the record straight about iodine's amazing healing properties. In this first episode of a four-part mini-series, he explains how iodine is needed and used throughout the body, gives a history of iodine's medical use over the years, explores the myths and misinformation about its use, and discusses the forms and dosages that are most effective.