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流行病学家对许多慢性疾病,特别是心血管疾病与某些癌症的分布学及其病因学或危险因子,已做出卓越贡献,可是,尚有许多问题有待深入探讨与研究,例如致癌的危险因子之间的相互关系及其发病机理等等。进入本世纪70～80年代,流行病学这门科学不仅要研究传染性疾病之分布学、病因学、方法学及其防治对策,也应该而且有必要探讨非传染性疾病之分布学、致病之危险因子及其防治学。不仅如此,也要研究老年病和防止衰老进程的
Epidemiologists have made outstanding contributions to the distribution of many chronic diseases, especially cardiovascular diseases and certain cancers, as well as to their etiology or risk factors. However, there are still many problems to be explored and studied in depth, such as carcinogenic The relationship between risk factors and their pathogenesis and so on. Into the 70s and 80s of this century, the science of epidemiology not only to study the distribution of infectious diseases, etiology, methodology and its prevention and treatment measures, but also and necessary to explore the distribution of non-communicable diseases, pathogenic The risk factor and its prevention and cure. Not only that, but also research on geriatric diseases and the prevention of aging