二手烟和癌症、婴儿出生体重不足，以及慢性肺部疾病都有关联，尤其是对儿童。
Secondhand smoke has been linked to cancer, low birth weight and chronic lung-related illnesses, particularly in children.
在海地，有25%的新生儿出生时体重不足，这大大影响到婴儿的存活率和人的预期寿命。
In Haiti, 25% of newborns have a low birth weight, affecting the survival of infants and thus the population's life expectancy.
根据世卫组织新标准计算的刚出生6个月体重不足流行率(Z评分小于—2)比iap发育曲线高约1.6倍。
The prevalence of underweight (Z score less than -2) in the first 6 months of life was nearly 1.6 times higher when calculated in accordance with the new WHO standards rather than IAP growth curves.
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