Fundamentals of Cancer Epidemiologynbsp;summarizes the current body of knowledge--what cancer is, how it is defined, how it develops in biological and genetic terms, what groups are at highest risk, and what causes it. Using a unique framework, it helps readers develop an in-depth understanding of major risk factors and how they affect specific cancers, as well as how co-factors contribute to risk for particular cancers. nbsp; The second edition has been thoroughly updated and includes: nbsp; New chapters on cancer screening, drugs and cancer and childhood cancers Expanded sections on interactions between genetic and environmental risk factors. Recent observations about the biology of normal cells and cancer cells and the implications for determining the etiology of various cancers New materials on cancer prevention strategies Expanded discussions about the public health implications of new scientific findings concerning the causes of various cancers.