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• Prenatal cigarette smoke exposure affects infants' cardiorespiratory control 

Prenatal cigarette smoke exposure, the main risk factor for sudden infant death syndrome (SIDS), has an adverse effect on spontaneous recovery of breathing pauses and oxygen saturation during hypoxemia in preterm infants, researchers report.

Preterm infants are among the most vulnerable groups for SIDS, but the effects of prenatal cigarette smoke exposure and hypoxemia on their cardio-respiratory control have not been investigated, explain Shabih Hasan and colleagues from the University of Calgary in Alberta, Canada, in the American Journal of Respiratory and Critical Care Medicine.

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