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• Smoking during pregnancy a 'double-edged sword' in SIDS 

Premature infants whose mothers smoked during pregnancy may be at even higher risk for sudden infant death syndrome (SIDS) than preemies whose mothers did not smoke, according to new research out of the University of Calgary. In the first-ever experimental study to compare the breathing reflexes of preemies of smokers versus non-smokers, researchers found that babies whose mothers had smoked showed a number of signs of impaired respiratory function.

"Smoking during pregnancy is a double-edged sword with respect to SIDS," said Shabih Hasan, M.D., a staff neonatologist and professor in the department of pediatrics at the University of Calgary, and the principal investigator of the new study. "Not only does it raise a mother's likelihood of having a preterm baby, who is already among the most vulnerable to SIDS, but it increases the infant's susceptibility to SIDS even further."

The research will be published in the first issue for September of the American Thoracic Society's American Journal of Respiratory and Critical Care Medicine.

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