After age two , the negative effects of undernutrition are largely irreversible .
两岁以后,营养不良造成的副作用将是不可逆转的了。
Evaluation of preoperative undernutrition , nutritional risks , and nutritional support in general surgical wards .
普外科患者术前营养不足、营养风险及营养支持状况分析。
Undernutrition increases the risk of upper respiratory tract infections and subsequent acute bronchitis , especially in children and older people .
营养不良增加上呼吸道感染的风险从而发生急性支气管炎,特别是儿童和老人。
The risk of undernutrition is also greater at certain times in a person 's life , ie , infancy , early childhood , adolescence , pregnancy and lactation , and old age .
人一生中的某些阶段患营养低下的危险性也很高,如婴儿期、幼儿期、青少年期、妊娠哺乳期、以及老年期。
When you multiply this chain of cause and effect by a billion people suffering from chronic hunger , you can see how undernutrition hobbles global economic advancement .