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儿童越小生长发育越快,营养需要也越多。合理的营养可以起到维持生命、促进生长发育、保持健康及预防疾病的作用。长期严重的缺乏营养将导致生长发育受限乃至营养不良;反之长期营养过剩将引起肥胖。前者可导致日后成年时期的体格及智力发育迟滞,后者与成年后的冠心病、高血压、动脉粥样硬化及糖尿病有关,根据1987年九省抽样调查,我国5岁以下的小儿有15.3%患营养不良,推算约有2100万儿童受累,农村的患病率为城市的25倍,近年来各大城
The younger the child growth and development faster, the more nutritional needs. Reasonable nutrition can play a role in maintaining life, promoting growth and development, maintaining health and preventing diseases. Long-term severe lack of nutrition will lead to limited growth and development and malnutrition; the other hand, long-term over-nutrition will cause obesity. The former can lead to later physical and mental retardation in adulthood, the latter with adult coronary heart disease, hypertension, atherosclerosis and diabetes, according to a sample survey of nine provinces in 1987, 15.3% of children under 5 years of age in our country, Suffering from malnutrition, estimated that about 21 million children affected, the prevalence in rural areas 25 times the city in recent years, the major cities