High outdoor levels of nitrogen dioxide apparently raise the risk of sudden infant death syndrome (SIDS), according to California-based researchers.

美国加州大学的研究人员日前表示，户外高浓度的二氧化氮气会增加发生婴儿猝死综合症(SIDS)的危险。

youdao

Babies who die of sudden infant death syndrome, or SIDS, while sharing beds may have a risky sleep profile, a new study shows.

一项新研究显示，共用床位可能导致婴儿睡姿不正确，增加婴儿猝死综合征的发生率。

youdao

A baby whose mother smoked during pregnancy runs a higher risk of SIDS (sudden infant death syndrome - known in the UK as Cot death), as does an infant who is exposed to secondhand smoke.

母亲在妊娠期间吸烟的幼儿有较高的风险罹患SIDS(婴儿猝死综合症，英国称之为摇篮死亡)，暴露于二手烟的幼儿同样如此。

youdao

The researchers studied the brains of 27 children, of which 19 died from Sudden Infant Death Syndrome (SIDS), and eight from other conditions.

BBC: Cot death remains a mystery

"There should be nothing in the crib but the baby, " says Rachel Moon, who heads the AAP's task force on Sudden Infant Death Syndrome (SIDS), officially any death of a baby under age 1 that remains unexplained after a thorough investigation.

WSJ: When a Cuddly Crib Puts the Baby in Danger