Breastfeeding and risks of allergies and asthma

In an Acta Paediatrica study, exclusive breastfeeding for the first 3 months was linked with a lower risk of respiratory allergies and asthma when children reached 6 years of age.

In the study of 1,177 mother-infant pairs, a third of the children were exclusively breastfed until the age of 3 months. By the age of 6 years, 20.8% of children had been diagnosed with respiratory allergies and 11.3% with asthma.

Exclusive breastfeeding for 3 months was associated with a 23% lower relative risk of respiratory allergies at the age of 6 years. It was also associated with a 34% lower relative risk of asthma, but only if the children did not have a family history of asthma.

Breastfeeding for 3 months, but not exclusively, was insufficient to reduce the risk of respiratory allergies or asthma.

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