This 52-page magazine-size soft cover book provides some background information on the additives and their relationship to a variety of symptoms, as well as the relevance of over 250 scientific studies.This book can only be mailed to a United States address.It can also be downloaded to read on your computer or your phone on the Freebies PageIf you are a volunteer needing a supply of these books for a seminar or workshop, contact us directly.