Lancet Planet Health. 2025 Oct 9:101309. doi: 10.1016/j.lanplh.2025.101309. Online ahead of print. ABSTRACT BACKGROUND: Perfluoroalkyl and polyfluoroalkyl substances (PFAS) are ubiquitous persistent organic pollutants associated with adverse health outcomes in humans. Although they are associated with autism spectrum disorder and behavioural outcomes, whether PFAS affect brain development is unclear. We…

