论文部分内容阅读
30多年的人群研究提供了充分的证据表明高血压对心血管疾病有不利影响。某一人群的平均血压水平同该人群心脑血管病的流行有关。由于观察到平均血压不同的人群其膳食存在着差别,因此对营养素与血压间关系进行直接研究。降低钠盐摄入虽可降低血压,特别是对于已确诊的高血压病人,但目前已知,在一个社会团体内或几个社会团体间钠摄入量的差异只会引起血压的很小变异。许多平均血压低的人群其膳食总脂肪和饱和脂肪酸含量也低。本文评述了膳食脂肪和血压之间可能存在的关系及有关的回顾性、观察性和直接干预试验的
More than 30 years of population research have provided sufficient evidence that hypertension has an adverse effect on cardiovascular disease. The average blood pressure level in a population is related to the prevalence of cardiovascular and cerebrovascular diseases in the population. Because differences in diet are observed in people with different mean blood pressures, a direct study of the relationship between nutrients and blood pressure is conducted. Although lowering sodium intake reduces blood pressure, especially in patients with established hypertension, it is now known that differences in sodium intake within a social group or among several social groups only cause a small variation in blood pressure . Many people with low mean blood pressure also have low levels of total dietary fat and saturated fatty acids. This article reviews the possible relationship between dietary fat and blood pressure and related retrospective, observational and direct intervention trials