Forever chemicals cross placenta and breast milk affecting babies’ immunity

Pretty woman holding a newborn baby in her arms Joana Lopes M1 2490579294a942e78a3e5af24a18dbb1



Pretty woman holding a newborn baby in her arms Joana Lopes M1 2490579294a942e78a3e5af24a18dbb1

New research reveals that tiny amounts of PFAS-widely known as “forever chemicals”-cross the placenta and breast milk to alter infants’ developing immune systems, potentially leaving lasting imprints on their ability to fight disease.

University of Rochester Medical Center (URMC) researchers tracked 200 local healthy mother–baby pairs, measuring common PFAS compounds in maternal blood during pregnancy and then profiling infants’ key T‑cell populations at birth, six months, and one year. By age 12 months, babies whose mothers had higher prenatal PFAS exposure exhibited significantly fewer T follicular helper (Tfh) cells-vital coaches that help B cells produce strong, long‑lasting antibodies-and disproportionately more Th2,…



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