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据北京市疾病预防控制中心的调查数据显示,80岁以上老年人营养不良问题非常严重,贫血发生率超过50%。国内外调查数据表明,老年人的营养状况与其疾病康复时间和死亡率关系极为密切。因为营养不良而造成抵抗力低下,因为过分控制饮食,过分追求低盐低脂低糖的粗茶淡饭造成低蛋白血症和低胆固醇血症,是很多老年人容易患感染性疾病死亡的重要原因。
According to the Beijing Municipal Center for Disease Control and Prevention survey data show that malnutrition in the elderly over the age of 80 is very serious, the incidence of anemia more than 50%. Domestic and international survey data show that the nutritional status of the elderly and their illness recovery time and mortality are closely related. Because of malnutrition caused by low immunity, because excessive control of the diet, excessive pursuit of low salt, low fat and low sugar of crude tea cause hypoproteinemia and hypocholesterolemia, many older people vulnerable to infectious diseases, an important cause of death.