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。