After age two , the negative effects of undernutrition are largely irreversible .
兩歲以后,營養不良造成的副作用將是不可逆轉的了。
Evaluation of preoperative undernutrition , nutritional risks , and nutritional support in general surgical wards .
普外科患者術前營養不足、營養風險及營養支持狀況分析。
Undernutrition increases the risk of upper respiratory tract infections and subsequent acute bronchitis , especially in children and older people .
營養不良增加上呼吸道感染的風險從而發生急性支氣管炎,特別是兒童和老人。
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 .
人一生中的某些階段患營養低下的危險性也很高,如嬰兒期、幼兒期、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 .