The Fluoride Deception (2004) by investigative journalist Christopher Bryson is an exposé that argues that industrial and government interests suppressed evidence of health risks from fluoride to promote its addition to water supplies and consumer products. The book draws on archival research, including formerly classified military records from the Manhattan Project, to argue that a "hidden alliance" of corporate and public health officials promoted the safety of fluoride despite evidence of its potential to cause health problems such as arthritis, bone cancer, and neurological issues. The book, which includes a foreword by Dr. Theo Colborn, is considered a significant critique of environmental health policies and a call for reevaluating the safety of widespread fluoride usage.