The Food and Drug Administration, the Department of Agriculture, the Centers for Disease Control and Prevention, The Institute for Food Technologists, the American Medical Association, and the World Health Organization actually agree on something: irradiated food reduces the danger of food-borne illnesses and is perfectly safe to eat. Robert L. Wolke, professor emeritus of chemistry at the University of Pittsburgh, reviews the arguments for irradiated food today in a column that is sure to annoy Ralph Nader’s Public Citizen and other opponents of the potentially life-saving technology.