Breastfeeding may lessen socioeconomic disparities in child health through differences in the infant gut microbiome. - Dai DLY; Manus MB; Hoskinson C; Jiang J; Sbihi H; Miliku K; Campisi SC; Korczak DJ; Duan Q; Moraes TJ; Mandhane PJ; Finlay BB; et al. (Cell reports. Medicine, 2026)