Preventing Breast Cancer: THE STORY OF A MAJOR, PROVEN, PREVENTABLE CAUSE OF THIS DISEASE John W. Gofman, M.D., Ph. D. Edited by Egan O'Connor * - Our estimate is that about three-quarters of the current annual incidence of breast-cancer in the United States is being caused by earlier ionizing radiation, primarily from medical sources. From Chapter 1 * - This edition includes an additional section, "Response to Critiques of the First Edition." Section 5 _____________________________________________________________________ Second Edition: 1996 C.N.R. Book Division Committee for Nuclear Responsibility, Inc. Post Office Box 421993 San Francisco, California 94142 U.S.A.