"Iodine: Why You Need It, Why You Can't Live Without It" is a comprehensive textbook by author David Brownstein, M.D., exploring the essential roles of iodine in the body. Published in 2014 by Medical Alternative Press, this 5th edition paperback delves into the medical subject area of endocrinology and metabolism, making it a valuable resource for those interested in understanding the importance of iodine for overall health. With 259 pages filled with insightful information in English language, this book is a must-read for anyone looking to learn more about iodine's crucial functions in the human body.