Babies who are exclusively breastfed for at least three months carry markers in their blood that differ from babies who are not breastfed https://www.eurekalert.org/news-releases/1123891 Breastfeeding association with DNA methylation https://link.springer.com/article/10.1186/s13148-025-02042-4 Breastfeeding is associated with short- and long-term beneficial effects on child health