Per- and polyfluoroalkyl substances (PFAS) are a class of synthetic chemicals notable for their high persistence and extensive applications. With the advancement of detection technologies in recent years, PFAS have been frequently identified in environmental media and human biological samples, raising significant global concerns about their potential health risks. PFAS exhibit distinctive toxicokinetic behaviors, including efficient absorption, strong protein binding, limited metabolism, and slow excretion, which lead to prolonged biological half-lives and considerable bioaccumulation in humans. These properties contribute to a range of adverse health outcomes, such as endocrine disruption, immune suppression, liver damage, reproductive toxicity, carcinogenic potential, and cardiovascular disease. This review synthesizes evidence on PFAS-associated health risks from a multisystem, multitarget perspective, elucidating the key molecular pathways involved, thereby providing a scientific basis for understanding their complex toxicological effects and for developing targeted prevention and control strategies. Future research should prioritize characterizing the toxicological profiles of individual PFAS compounds, evaluating the health impacts of combined (mixture) exposures, and assessing risks associated with chronic, low-dose exposure to support the development of public health strategies and regulatory decisions.
Ma et al. (Sun,) studied this question.
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