加《医学邮报》第18卷第6期第75页(1982年)报道美国圣安东尼奥消息:特拉华的一位流行病学家说,美国从60年代中期开始缺血性心脏病的死亡率逐步下降,这大概是预防多于治疗的结果。杜邦公司的流行病学高级顾问佩尔(Sidney Pell)研究了该公司1957～1979年男性雇员中的心肌梗塞发病率及其死亡率的情况。在美国心脏病学会召开的心血管疾病的流行病学年会上,佩尔对采访记者说,上述结果说明,在美国,心脏病死亡率降低大概是由于其发病率降低所致,而发病率降低,大概是人群中的许多危险因素,如血清胆 Plus Medical Journal Vol. 18, No. 6, page 75 (1982) San Antonio, United States: A Delaware epidemiologist said the U.S. mortality rate of ischemic heart disease from the mid-1960s Gradual decline, which is probably prevention of more than the result of treatment. Sidney Pell, DuPont’s senior advisor in epidemiology, examined the incidence and mortality of myocardial infarctions among male employees in the company from 1957 to 1979. At the annual meeting of the American College of Cardiology in the epidemiology of cardiovascular disease, Perle told reporters that the above results show that in the United States, the reduction in the mortality rate of heart disease is probably due to its reduced incidence, and the incidence is reduced , Probably many of the risk factors in the population, such as serum gallbladder