Malnutrition includes undernutrition, in which nutrients are undersupplied, and overnutrition, in which nutrients are oversupplied. 营养不良包括营养低下，即营养素供给不足，和营养过剩，即营养素供给过度。
The key to early detection is awareness that persons in certain circumstances have a high risk of undernutrition or overnutrition. 早期发现的关键是要认识到，有些人是营养低下或营养过剩的高危人群。
Malnutrition (undernutrition and overnutrition) develops in stages which usually require considerable time. 营养不良(营养低下和营养过剩)的发展是有阶段的，通常需要相称长的时间。
Malnutrition (undernutrition and overnutrition) develops in stages, which usually require considerable time. 营养不良(营养低下和营养过剩)的发展是有阶段的，通常需要相当长的时间。
Results The total rate of malnutrition was 25.73%while the rate of overnutrition was 9.22%. 结果:总营养不良率为25.;73%25;城乡差异有显著意义;
Societies where both under- and overnutrition coexist as public health problems are said to be experiencing a "dual burden" of malnutrition. 营养缺乏和营养过剩，共存于一些社会的公共健康问题，这现像可称为社会经历营养不良的“双重负担”。
