A network of experts in reproductive and children’s environmental health

Per- and Polyfluoroalkyl Substances (PFAS)

Per- and polyfluoroalkyl substances, also known as “forever chemicals”, are a type of emerging contaminant that are gaining more attention around the United States. There is still a lot to learn about their health effects, but the PEHSUs are a leading source of information on this topic. Health professionals are encouraged to follow the guidance below to help navigate discussions with patients and families.

Find Your Local PEHSU

PEHSUs across the country are ready and able to assist health professionals and families with their PFAS questions and concerns.  Click here to find your local PEHSU expert.

Resources for Health Professionals



Stay tuned for updated resources for health professionals and the communities they serve based on the new National Academies of Sciences, Engineering, and Medicine (NASEM) report.


PEHSU Resources 

The information contained on this website should not be used as a substitute for the medical care and advice of your/your child’s primary care provider. There may be variations in treatment that your provider may recommend based on individual facts and circumstances.

This webpage was supported by the American Academy of Pediatrics (AAP) and funded (in part) by a cooperative agreement with the Centers for Disease Control and Prevention/Agency for Toxic Substances and Disease Registry (CDC/ATSDR). The U.S. Environmental Protection Agency (EPA) supports the PEHSUs by providing partial funding to CDC/ATSDR through an Inter-Agency Agreement. The findings and conclusions presented have not been formally disseminated by CDC/ATSDR or EPA and should not be construed to represent any agency determination or policy. Use of trade names that may be mentioned is for identification only and does not imply endorsement by the CDC/ATSDR or EPA. 

Last updated: July 2022