FrontMatter -- Preface -- Reviewers -- Units Used to Express Radiation Dose -- Contents -- Public Summary -- Executive Summary -- 1 Background Information -- 2 Molecular and Cellular Responses to Ionizing Radiation -- 3 Radiation-Induced Cancer: Mechanisms, Quantitative Experimental Studies, and the Role of Genetic Factors -- 4 Heritable Genetic Effects of Radiation in Human Populations -- 5 Background for Epidemiologic Methods -- 6 Atomic Bomb Survivor Studies -- 7 Medical Radiation Studies -- 8 Occupational Radiation Studies -- 9 Environmental Radiation Studies -- 10 Integration of Biology and Epidemiology -- 11 Risk Assessment Models and Methods -- 12 Estimating Cancer Risk -- 13 Summary and Research Needs -- Appendixes -- A Basic Biological and Genetic Concepts -- B Commentary on "Radiation from Medical Procedures in the Pathogenesis of Cancer and Ischemic Heart Disease: Dose- Response Studies with Physicians per 100,000 Population" -- C Issues Raised by the Institute for Energy and Environment Research (IEER) -- D Hormesis -- E Fifteen-Country Workers Study -- References -- Glossary -- Committee Biographies -- Index.