结果表明，男童的青春期年龄在过去15年已经下降了三年半，再一次印证了对唱诗班男童的研究。
It showed that the age of puberty had dropped by three and a half months over 15 years, reinforcing the results of the choirboy study.
尽管营养不良很少被当作直接的死因，但超过一半的儿童期死亡与营养不良有关。
Malnutrition is estimated to contribute to more than one third of all child deaths, although it is rarely listed as the direct cause.
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