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近些年来,随着人们生活水平的提高,我国居民特别是市民的膳食结构也发生了很大的变化,这些变化直接影响到市民的健康和疾病状况,既有对人体有益的方面,也有不利的方面。有利的方面,主要表现在生长发育和期望寿命的增加,例如上海市1990年17岁的男性青年,身高为1.49米,体重为59.46公
In recent years, with the improvement of people’s living standard, the dietary structure of residents, especially the citizens in our country has also undergone great changes. These changes have a direct impact on the public’s health and disease status, both beneficial to human beings, and negative The aspect. Advantageous aspects, mainly in the growth and life expectancy increased, for example, Shanghai, 1990, 17-year-old male youth, height 1.49 meters, weighing 59.46 kilometers