Pediatr Allergy Immunol. 2026 Oct;37(10):e70520. doi: 10.1111/pai.70520. ABSTRACT BACKGROUND: Daycare attendance and breastfeeding have been associated with asthma risk. However, it remains unclear whether the association between breastfeeding and asthma risk depends on daycare attendance. We investigated whether daycare attendance acts as a modifier in the relationship between breastfeeding and…

