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Page: << Prev | 1 | 2 Babies whose mothers smoked before the observation period napped for 53 minutes compared to 84 minutes of napping among babies whose mothers did not smoke. The 37 percent reduction in total sleep time was due to a shortening of the longest nap and to reductions in the amount of time spent in both active and quiet sleep.
Researchers noted that the infants consumed the same amount of breast milk during each observation period, suggesting that they accepted the tobacco flavoring of the milk.
Previous research by Mennella's team had shown that nicotine levels peak in breast milk 30 minutes to 60 minutes after smoking one to two cigarettes and are gone after three hours, suggesting that mothers can time their smoking and breast-feeding opportunities. Additional research is needed to fully understand the impact of nicotine on infant development, Mennella said.
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To learn more about breast-feeding, visit the U.S. Centers for Disease Control and Prevention.
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-- Madeline Vann
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