Breastfeeding may help babies build stronger lungs

New research shows the exercise babies get while breastfeeding may help their lungs.

Doctors at the University of South Carolina in Columbia found that by age 10 children who were breastfed for 4 months or longer had larger lung capacities than their counterparts who nursed for a shorter amount of time or not at all.

The breastfed children were also able to expel air from their lungs more quickly.

The study is in the journal Thorax.

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